Home / 156,332.16-234,547.92-51,127.20

Finding the Fourth Proportional to 156,332.16, 234,547.92 and 51,127.20

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Solution

The fourth proportional to 156,332.16, 234,547.92 and 51,127.20 is: 76,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,332.16 : 234,547.92 = 51,127.20 : x
  2. Step 2: Convert to fraction form
    156,332.16/234,547.92 = 51,127.20/x
  3. Step 3: Cross multiply
    156,332.16x = 234,547.92 × 51,127.20
  4. Step 4: Simplify right side
    156,332.16x = 11,991,778,415.42
  5. Step 5: Solve for x
    x = 11,991,778,415.42/156,332.16
  6. Step 6: Final answer
    x = 76,707.05

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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.