Home / 156,749.04-235,152.72-51,572.16

Finding the Fourth Proportional to 156,749.04, 235,152.72 and 51,572.16

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Solution

The fourth proportional to 156,749.04, 235,152.72 and 51,572.16 is: 77,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.04 : 235,152.72 = 51,572.16 : x
  2. Step 2: Convert to fraction form
    156,749.04/235,152.72 = 51,572.16/x
  3. Step 3: Cross multiply
    156,749.04x = 235,152.72 × 51,572.16
  4. Step 4: Simplify right side
    156,749.04x = 12,127,333,700.28
  5. Step 5: Solve for x
    x = 12,127,333,700.28/156,749.04
  6. Step 6: Final answer
    x = 77,367.83

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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.