Home / 127,784.08-176,341.64-71,194.96

Finding the Fourth Proportional to 127,784.08, 176,341.64 and 71,194.96

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Solution

The fourth proportional to 127,784.08, 176,341.64 and 71,194.96 is: 98,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,784.08 : 176,341.64 = 71,194.96 : x
  2. Step 2: Convert to fraction form
    127,784.08/176,341.64 = 71,194.96/x
  3. Step 3: Cross multiply
    127,784.08x = 176,341.64 × 71,194.96
  4. Step 4: Simplify right side
    127,784.08x = 12,554,636,006.13
  5. Step 5: Solve for x
    x = 12,554,636,006.13/127,784.08
  6. Step 6: Final answer
    x = 98,248.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.