Home / 156,438.57-234,554.19-56,585.61

Finding the Fourth Proportional to 156,438.57, 234,554.19 and 56,585.61

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Solution

The fourth proportional to 156,438.57, 234,554.19 and 56,585.61 is: 84,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,438.57 : 234,554.19 = 56,585.61 : x
  2. Step 2: Convert to fraction form
    156,438.57/234,554.19 = 56,585.61/x
  3. Step 3: Cross multiply
    156,438.57x = 234,554.19 × 56,585.61
  4. Step 4: Simplify right side
    156,438.57x = 13,272,391,919.21
  5. Step 5: Solve for x
    x = 13,272,391,919.21/156,438.57
  6. Step 6: Final answer
    x = 84,840.92

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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.