Home / 185,562.28-256,075.96-100,679.34

Finding the Fourth Proportional to 185,562.28, 256,075.96 and 100,679.34

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Solution

The fourth proportional to 185,562.28, 256,075.96 and 100,679.34 is: 138,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,562.28 : 256,075.96 = 100,679.34 : x
  2. Step 2: Convert to fraction form
    185,562.28/256,075.96 = 100,679.34/x
  3. Step 3: Cross multiply
    185,562.28x = 256,075.96 × 100,679.34
  4. Step 4: Simplify right side
    185,562.28x = 25,781,558,642.67
  5. Step 5: Solve for x
    x = 25,781,558,642.67/185,562.28
  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.