Home / 127,932.84-176,548.32-71,345.52

Finding the Fourth Proportional to 127,932.84, 176,548.32 and 71,345.52

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Solution

The fourth proportional to 127,932.84, 176,548.32 and 71,345.52 is: 98,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,932.84 : 176,548.32 = 71,345.52 : x
  2. Step 2: Convert to fraction form
    127,932.84/176,548.32 = 71,345.52/x
  3. Step 3: Cross multiply
    127,932.84x = 176,548.32 × 71,345.52
  4. Step 4: Simplify right side
    127,932.84x = 12,595,931,695.53
  5. Step 5: Solve for x
    x = 12,595,931,695.53/127,932.84
  6. Step 6: Final answer
    x = 98,457.38

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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.