Home / 185,562.27-256,075.95-100,679.34

Finding the Fourth Proportional to 185,562.27, 256,075.95 and 100,679.34

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Solution

The fourth proportional to 185,562.27, 256,075.95 and 100,679.34 is: 138,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,562.27 : 256,075.95 = 100,679.34 : x
  2. Step 2: Convert to fraction form
    185,562.27/256,075.95 = 100,679.34/x
  3. Step 3: Cross multiply
    185,562.27x = 256,075.95 × 100,679.34
  4. Step 4: Simplify right side
    185,562.27x = 25,781,557,635.87
  5. Step 5: Solve for x
    x = 25,781,557,635.87/185,562.27
  6. Step 6: Final answer
    x = 138,937.50

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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.