Home / 156,785.12-235,174.28-38,457.04

Finding the Fourth Proportional to 156,785.12, 235,174.28 and 38,457.04

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Solution

The fourth proportional to 156,785.12, 235,174.28 and 38,457.04 is: 57,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785.12 : 235,174.28 = 38,457.04 : x
  2. Step 2: Convert to fraction form
    156,785.12/235,174.28 = 38,457.04/x
  3. Step 3: Cross multiply
    156,785.12x = 235,174.28 × 38,457.04
  4. Step 4: Simplify right side
    156,785.12x = 9,044,106,692.93
  5. Step 5: Solve for x
    x = 9,044,106,692.93/156,785.12
  6. Step 6: Final answer
    x = 57,684.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.