Home / 185,972.45-256,642.88-101,089.50

Finding the Fourth Proportional to 185,972.45, 256,642.88 and 101,089.50

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Solution

The fourth proportional to 185,972.45, 256,642.88 and 101,089.50 is: 139,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,972.45 : 256,642.88 = 101,089.50 : x
  2. Step 2: Convert to fraction form
    185,972.45/256,642.88 = 101,089.50/x
  3. Step 3: Cross multiply
    185,972.45x = 256,642.88 × 101,089.50
  4. Step 4: Simplify right side
    185,972.45x = 25,943,899,912.31
  5. Step 5: Solve for x
    x = 25,943,899,912.31/185,972.45
  6. Step 6: Final answer
    x = 139,504.00

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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.