Home / 132,002.10-198,003.15-72,953.10

Finding the Fourth Proportional to 132,002.10, 198,003.15 and 72,953.10

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Solution

The fourth proportional to 132,002.10, 198,003.15 and 72,953.10 is: 109,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.10 : 198,003.15 = 72,953.10 : x
  2. Step 2: Convert to fraction form
    132,002.10/198,003.15 = 72,953.10/x
  3. Step 3: Cross multiply
    132,002.10x = 198,003.15 × 72,953.10
  4. Step 4: Simplify right side
    132,002.10x = 14,444,943,602.27
  5. Step 5: Solve for x
    x = 14,444,943,602.27/132,002.10
  6. Step 6: Final answer
    x = 109,429.65

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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.