Home / 215,656.02-297,606.49-125,065.70

Finding the Fourth Proportional to 215,656.02, 297,606.49 and 125,065.70

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Solution

The fourth proportional to 215,656.02, 297,606.49 and 125,065.70 is: 172,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,656.02 : 297,606.49 = 125,065.70 : x
  2. Step 2: Convert to fraction form
    215,656.02/297,606.49 = 125,065.70/x
  3. Step 3: Cross multiply
    215,656.02x = 297,606.49 × 125,065.70
  4. Step 4: Simplify right side
    215,656.02x = 37,220,363,996.39
  5. Step 5: Solve for x
    x = 37,220,363,996.39/215,656.02
  6. Step 6: Final answer
    x = 172,591.35

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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.