Home / 113,295.15-156,349.13-62,310.15

Finding the Fourth Proportional to 113,295.15, 156,349.13 and 62,310.15

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Solution

The fourth proportional to 113,295.15, 156,349.13 and 62,310.15 is: 85,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295.15 : 156,349.13 = 62,310.15 : x
  2. Step 2: Convert to fraction form
    113,295.15/156,349.13 = 62,310.15/x
  3. Step 3: Cross multiply
    113,295.15x = 156,349.13 × 62,310.15
  4. Step 4: Simplify right side
    113,295.15x = 9,742,137,431.12
  5. Step 5: Solve for x
    x = 9,742,137,431.12/113,295.15
  6. Step 6: Final answer
    x = 85,989.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.