Home / 101,470.75-152,181.53-42,274.13

Finding the Fourth Proportional to 101,470.75, 152,181.53 and 42,274.13

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Solution

The fourth proportional to 101,470.75, 152,181.53 and 42,274.13 is: 63,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,470.75 : 152,181.53 = 42,274.13 : x
  2. Step 2: Convert to fraction form
    101,470.75/152,181.53 = 42,274.13/x
  3. Step 3: Cross multiply
    101,470.75x = 152,181.53 × 42,274.13
  4. Step 4: Simplify right side
    101,470.75x = 6,433,341,782.82
  5. Step 5: Solve for x
    x = 6,433,341,782.82/101,470.75
  6. Step 6: Final answer
    x = 63,400.95

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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.