Home / 117,655.02-176,337.95-54,389.57

Finding the Fourth Proportional to 117,655.02, 176,337.95 and 54,389.57

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Solution

The fourth proportional to 117,655.02, 176,337.95 and 54,389.57 is: 81,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,655.02 : 176,337.95 = 54,389.57 : x
  2. Step 2: Convert to fraction form
    117,655.02/176,337.95 = 54,389.57/x
  3. Step 3: Cross multiply
    117,655.02x = 176,337.95 × 54,389.57
  4. Step 4: Simplify right side
    117,655.02x = 9,590,944,121.54
  5. Step 5: Solve for x
    x = 9,590,944,121.54/117,655.02
  6. Step 6: Final answer
    x = 81,517.51

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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.