Home / 153,923.80-230,885.70-127,658.20

Finding the Fourth Proportional to 153,923.80, 230,885.70 and 127,658.20

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Solution

The fourth proportional to 153,923.80, 230,885.70 and 127,658.20 is: 191,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923.80 : 230,885.70 = 127,658.20 : x
  2. Step 2: Convert to fraction form
    153,923.80/230,885.70 = 127,658.20/x
  3. Step 3: Cross multiply
    153,923.80x = 230,885.70 × 127,658.20
  4. Step 4: Simplify right side
    153,923.80x = 29,474,452,867.74
  5. Step 5: Solve for x
    x = 29,474,452,867.74/153,923.80
  6. Step 6: Final answer
    x = 191,487.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.