Home / 117,547.40-176,321.10-73,151.30

Finding the Fourth Proportional to 117,547.40, 176,321.10 and 73,151.30

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Solution

The fourth proportional to 117,547.40, 176,321.10 and 73,151.30 is: 109,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,547.40 : 176,321.10 = 73,151.30 : x
  2. Step 2: Convert to fraction form
    117,547.40/176,321.10 = 73,151.30/x
  3. Step 3: Cross multiply
    117,547.40x = 176,321.10 × 73,151.30
  4. Step 4: Simplify right side
    117,547.40x = 12,898,117,682.43
  5. Step 5: Solve for x
    x = 12,898,117,682.43/117,547.40
  6. Step 6: Final answer
    x = 109,726.95

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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.