Home / 118,001.40-177,002.10-116,251.80

Finding the Fourth Proportional to 118,001.40, 177,002.10 and 116,251.80

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Solution

The fourth proportional to 118,001.40, 177,002.10 and 116,251.80 is: 174,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,001.40 : 177,002.10 = 116,251.80 : x
  2. Step 2: Convert to fraction form
    118,001.40/177,002.10 = 116,251.80/x
  3. Step 3: Cross multiply
    118,001.40x = 177,002.10 × 116,251.80
  4. Step 4: Simplify right side
    118,001.40x = 20,576,812,728.78
  5. Step 5: Solve for x
    x = 20,576,812,728.78/118,001.40
  6. Step 6: Final answer
    x = 174,377.70

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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.