Home / 156,743.04-235,143.72-51,566.16

Finding the Fourth Proportional to 156,743.04, 235,143.72 and 51,566.16

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Solution

The fourth proportional to 156,743.04, 235,143.72 and 51,566.16 is: 77,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.04 : 235,143.72 = 51,566.16 : x
  2. Step 2: Convert to fraction form
    156,743.04/235,143.72 = 51,566.16/x
  3. Step 3: Cross multiply
    156,743.04x = 235,143.72 × 51,566.16
  4. Step 4: Simplify right side
    156,743.04x = 12,125,458,688.52
  5. Step 5: Solve for x
    x = 12,125,458,688.52/156,743.04
  6. Step 6: Final answer
    x = 77,358.83

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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.