Home / 113,407.57-156,437.25-70,892.29

Finding the Fourth Proportional to 113,407.57, 156,437.25 and 70,892.29

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Solution

The fourth proportional to 113,407.57, 156,437.25 and 70,892.29 is: 97,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,407.57 : 156,437.25 = 70,892.29 : x
  2. Step 2: Convert to fraction form
    113,407.57/156,437.25 = 70,892.29/x
  3. Step 3: Cross multiply
    113,407.57x = 156,437.25 × 70,892.29
  4. Step 4: Simplify right side
    113,407.57x = 11,090,194,111.62
  5. Step 5: Solve for x
    x = 11,090,194,111.62/113,407.57
  6. Step 6: Final answer
    x = 97,790.60

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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.