Home / 107,301.20-160,951.80-28,423.40

Finding the Fourth Proportional to 107,301.20, 160,951.80 and 28,423.40

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Solution

The fourth proportional to 107,301.20, 160,951.80 and 28,423.40 is: 42,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,301.20 : 160,951.80 = 28,423.40 : x
  2. Step 2: Convert to fraction form
    107,301.20/160,951.80 = 28,423.40/x
  3. Step 3: Cross multiply
    107,301.20x = 160,951.80 × 28,423.40
  4. Step 4: Simplify right side
    107,301.20x = 4,574,797,392.12
  5. Step 5: Solve for x
    x = 4,574,797,392.12/107,301.20
  6. Step 6: Final answer
    x = 42,635.10

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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.