Home / 117,426.15-176,064.30-77,398.92

Finding the Fourth Proportional to 117,426.15, 176,064.30 and 77,398.92

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Solution

The fourth proportional to 117,426.15, 176,064.30 and 77,398.92 is: 116,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,426.15 : 176,064.30 = 77,398.92 : x
  2. Step 2: Convert to fraction form
    117,426.15/176,064.30 = 77,398.92/x
  3. Step 3: Cross multiply
    117,426.15x = 176,064.30 × 77,398.92
  4. Step 4: Simplify right side
    117,426.15x = 13,627,186,670.56
  5. Step 5: Solve for x
    x = 13,627,186,670.56/117,426.15
  6. Step 6: Final answer
    x = 116,048.99

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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.