Home / 113,166.40-156,172.30-62,178.66

Finding the Fourth Proportional to 113,166.40, 156,172.30 and 62,178.66

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Solution

The fourth proportional to 113,166.40, 156,172.30 and 62,178.66 is: 85,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,166.40 : 156,172.30 = 62,178.66 : x
  2. Step 2: Convert to fraction form
    113,166.40/156,172.30 = 62,178.66/x
  3. Step 3: Cross multiply
    113,166.40x = 156,172.30 × 62,178.66
  4. Step 4: Simplify right side
    113,166.40x = 9,710,584,343.12
  5. Step 5: Solve for x
    x = 9,710,584,343.12/113,166.40
  6. Step 6: Final answer
    x = 85,808.02

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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.