Home / 126,551.50-174,644.72-69,966.52

Finding the Fourth Proportional to 126,551.50, 174,644.72 and 69,966.52

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Solution

The fourth proportional to 126,551.50, 174,644.72 and 69,966.52 is: 96,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,551.50 : 174,644.72 = 69,966.52 : x
  2. Step 2: Convert to fraction form
    126,551.50/174,644.72 = 69,966.52/x
  3. Step 3: Cross multiply
    126,551.50x = 174,644.72 × 69,966.52
  4. Step 4: Simplify right side
    126,551.50x = 12,219,283,294.77
  5. Step 5: Solve for x
    x = 12,219,283,294.77/126,551.50
  6. Step 6: Final answer
    x = 96,555.82

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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.