Home / 113,343.04-156,410.26-61,658.43

Finding the Fourth Proportional to 113,343.04, 156,410.26 and 61,658.43

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Solution

The fourth proportional to 113,343.04, 156,410.26 and 61,658.43 is: 85,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,343.04 : 156,410.26 = 61,658.43 : x
  2. Step 2: Convert to fraction form
    113,343.04/156,410.26 = 61,658.43/x
  3. Step 3: Cross multiply
    113,343.04x = 156,410.26 × 61,658.43
  4. Step 4: Simplify right side
    113,343.04x = 9,644,009,977.15
  5. Step 5: Solve for x
    x = 9,644,009,977.15/113,343.04
  6. Step 6: Final answer
    x = 85,086.92

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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.