Home / 215,648.02-297,595.49-125,057.77

Finding the Fourth Proportional to 215,648.02, 297,595.49 and 125,057.77

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Solution

The fourth proportional to 215,648.02, 297,595.49 and 125,057.77 is: 172,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,648.02 : 297,595.49 = 125,057.77 : x
  2. Step 2: Convert to fraction form
    215,648.02/297,595.49 = 125,057.77/x
  3. Step 3: Cross multiply
    215,648.02x = 297,595.49 × 125,057.77
  4. Step 4: Simplify right side
    215,648.02x = 37,216,627,716.17
  5. Step 5: Solve for x
    x = 37,216,627,716.17/215,648.02
  6. Step 6: Final answer
    x = 172,580.43

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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.