Home / 103,445.32-155,168.10-33,335.08

Finding the Fourth Proportional to 103,445.32, 155,168.10 and 33,335.08

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Solution

The fourth proportional to 103,445.32, 155,168.10 and 33,335.08 is: 50,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,445.32 : 155,168.10 = 33,335.08 : x
  2. Step 2: Convert to fraction form
    103,445.32/155,168.10 = 33,335.08/x
  3. Step 3: Cross multiply
    103,445.32x = 155,168.10 × 33,335.08
  4. Step 4: Simplify right side
    103,445.32x = 5,172,541,026.95
  5. Step 5: Solve for x
    x = 5,172,541,026.95/103,445.32
  6. Step 6: Final answer
    x = 50,002.66

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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.