Home / 141,393.24-195,103.80-87,658.74

Finding the Fourth Proportional to 141,393.24, 195,103.80 and 87,658.74

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Solution

The fourth proportional to 141,393.24, 195,103.80 and 87,658.74 is: 120,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393.24 : 195,103.80 = 87,658.74 : x
  2. Step 2: Convert to fraction form
    141,393.24/195,103.80 = 87,658.74/x
  3. Step 3: Cross multiply
    141,393.24x = 195,103.80 × 87,658.74
  4. Step 4: Simplify right side
    141,393.24x = 17,102,553,277.21
  5. Step 5: Solve for x
    x = 17,102,553,277.21/141,393.24
  6. Step 6: Final answer
    x = 120,957.36

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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.