Home / 124,147.14-171,326.94-70,434.42

Finding the Fourth Proportional to 124,147.14, 171,326.94 and 70,434.42

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Solution

The fourth proportional to 124,147.14, 171,326.94 and 70,434.42 is: 97,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,147.14 : 171,326.94 = 70,434.42 : x
  2. Step 2: Convert to fraction form
    124,147.14/171,326.94 = 70,434.42/x
  3. Step 3: Cross multiply
    124,147.14x = 171,326.94 × 70,434.42
  4. Step 4: Simplify right side
    124,147.14x = 12,067,313,649.27
  5. Step 5: Solve for x
    x = 12,067,313,649.27/124,147.14
  6. Step 6: Final answer
    x = 97,201.70

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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.