Home / 328,452.06-492,678.09-117,975.18

Finding the Fourth Proportional to 328,452.06, 492,678.09 and 117,975.18

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Solution

The fourth proportional to 328,452.06, 492,678.09 and 117,975.18 is: 176,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,452.06 : 492,678.09 = 117,975.18 : x
  2. Step 2: Convert to fraction form
    328,452.06/492,678.09 = 117,975.18/x
  3. Step 3: Cross multiply
    328,452.06x = 492,678.09 × 117,975.18
  4. Step 4: Simplify right side
    328,452.06x = 58,123,786,349.81
  5. Step 5: Solve for x
    x = 58,123,786,349.81/328,452.06
  6. Step 6: Final answer
    x = 176,962.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.