Home / 328,160.19-492,250.82-103,522.71

Finding the Fourth Proportional to 328,160.19, 492,250.82 and 103,522.71

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Solution

The fourth proportional to 328,160.19, 492,250.82 and 103,522.71 is: 155,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,160.19 : 492,250.82 = 103,522.71 : x
  2. Step 2: Convert to fraction form
    328,160.19/492,250.82 = 103,522.71/x
  3. Step 3: Cross multiply
    328,160.19x = 492,250.82 × 103,522.71
  4. Step 4: Simplify right side
    328,160.19x = 50,959,138,368.51
  5. Step 5: Solve for x
    x = 50,959,138,368.51/328,160.19
  6. Step 6: Final answer
    x = 155,287.39

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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.