Home / 125,339.19-172,957.23-73,650.82

Finding the Fourth Proportional to 125,339.19, 172,957.23 and 73,650.82

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Solution

The fourth proportional to 125,339.19, 172,957.23 and 73,650.82 is: 101,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,339.19 : 172,957.23 = 73,650.82 : x
  2. Step 2: Convert to fraction form
    125,339.19/172,957.23 = 73,650.82/x
  3. Step 3: Cross multiply
    125,339.19x = 172,957.23 × 73,650.82
  4. Step 4: Simplify right side
    125,339.19x = 12,738,440,949.64
  5. Step 5: Solve for x
    x = 12,738,440,949.64/125,339.19
  6. Step 6: Final answer
    x = 101,631.75

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1.5x scale

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.