Home / 101,618.95-140,225.92-56,298.85

Finding the Fourth Proportional to 101,618.95, 140,225.92 and 56,298.85

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Solution

The fourth proportional to 101,618.95, 140,225.92 and 56,298.85 is: 77,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,618.95 : 140,225.92 = 56,298.85 : x
  2. Step 2: Convert to fraction form
    101,618.95/140,225.92 = 56,298.85/x
  3. Step 3: Cross multiply
    101,618.95x = 140,225.92 × 56,298.85
  4. Step 4: Simplify right side
    101,618.95x = 7,894,557,053.57
  5. Step 5: Solve for x
    x = 7,894,557,053.57/101,618.95
  6. Step 6: Final answer
    x = 77,687.84

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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.