Home / 358,000.20-537,013.26-121,365.72

Finding the Fourth Proportional to 358,000.20, 537,013.26 and 121,365.72

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Solution

The fourth proportional to 358,000.20, 537,013.26 and 121,365.72 is: 182,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,000.20 : 537,013.26 = 121,365.72 : x
  2. Step 2: Convert to fraction form
    358,000.20/537,013.26 = 121,365.72/x
  3. Step 3: Cross multiply
    358,000.20x = 537,013.26 × 121,365.72
  4. Step 4: Simplify right side
    358,000.20x = 65,175,000,949.45
  5. Step 5: Solve for x
    x = 65,175,000,949.45/358,000.20
  6. Step 6: Final answer
    x = 182,052.97

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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.