Home / 113,406.27-156,500.47-70,369.75

Finding the Fourth Proportional to 113,406.27, 156,500.47 and 70,369.75

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Solution

The fourth proportional to 113,406.27, 156,500.47 and 70,369.75 is: 97,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,406.27 : 156,500.47 = 70,369.75 : x
  2. Step 2: Convert to fraction form
    113,406.27/156,500.47 = 70,369.75/x
  3. Step 3: Cross multiply
    113,406.27x = 156,500.47 × 70,369.75
  4. Step 4: Simplify right side
    113,406.27x = 11,012,898,948.78
  5. Step 5: Solve for x
    x = 11,012,898,948.78/113,406.27
  6. Step 6: Final answer
    x = 97,110.14

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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.