Home / 371,631.60-557,666.10-134,998.20

Finding the Fourth Proportional to 371,631.60, 557,666.10 and 134,998.20

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Solution

The fourth proportional to 371,631.60, 557,666.10 and 134,998.20 is: 202,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,631.60 : 557,666.10 = 134,998.20 : x
  2. Step 2: Convert to fraction form
    371,631.60/557,666.10 = 134,998.20/x
  3. Step 3: Cross multiply
    371,631.60x = 557,666.10 × 134,998.20
  4. Step 4: Simplify right side
    371,631.60x = 75,283,919,701.02
  5. Step 5: Solve for x
    x = 75,283,919,701.02/371,631.60
  6. Step 6: Final answer
    x = 202,576.74

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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.