Home / 102,278.09-153,441.27-32,157.40

Finding the Fourth Proportional to 102,278.09, 153,441.27 and 32,157.40

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Solution

The fourth proportional to 102,278.09, 153,441.27 and 32,157.40 is: 48,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,278.09 : 153,441.27 = 32,157.40 : x
  2. Step 2: Convert to fraction form
    102,278.09/153,441.27 = 32,157.40/x
  3. Step 3: Cross multiply
    102,278.09x = 153,441.27 × 32,157.40
  4. Step 4: Simplify right side
    102,278.09x = 4,934,272,295.90
  5. Step 5: Solve for x
    x = 4,934,272,295.90/102,278.09
  6. Step 6: Final answer
    x = 48,243.69

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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.