Home / 117,458.16-176,209.10-53,420.91

Finding the Fourth Proportional to 117,458.16, 176,209.10 and 53,420.91

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Solution

The fourth proportional to 117,458.16, 176,209.10 and 53,420.91 is: 80,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.16 : 176,209.10 = 53,420.91 : x
  2. Step 2: Convert to fraction form
    117,458.16/176,209.10 = 53,420.91/x
  3. Step 3: Cross multiply
    117,458.16x = 176,209.10 × 53,420.91
  4. Step 4: Simplify right side
    117,458.16x = 9,413,250,472.28
  5. Step 5: Solve for x
    x = 9,413,250,472.28/117,458.16
  6. Step 6: Final answer
    x = 80,141.31

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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.