Home / 328,423.40-492,338.58-118,012.13

Finding the Fourth Proportional to 328,423.40, 492,338.58 and 118,012.13

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Solution

The fourth proportional to 328,423.40, 492,338.58 and 118,012.13 is: 176,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,423.40 : 492,338.58 = 118,012.13 : x
  2. Step 2: Convert to fraction form
    328,423.40/492,338.58 = 118,012.13/x
  3. Step 3: Cross multiply
    328,423.40x = 492,338.58 × 118,012.13
  4. Step 4: Simplify right side
    328,423.40x = 58,101,922,045.28
  5. Step 5: Solve for x
    x = 58,101,922,045.28/328,423.40
  6. Step 6: Final answer
    x = 176,911.64

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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.