Home / 110,643.12-152,685.18-60,342.12

Finding the Fourth Proportional to 110,643.12, 152,685.18 and 60,342.12

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Solution

The fourth proportional to 110,643.12, 152,685.18 and 60,342.12 is: 83,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,643.12 : 152,685.18 = 60,342.12 : x
  2. Step 2: Convert to fraction form
    110,643.12/152,685.18 = 60,342.12/x
  3. Step 3: Cross multiply
    110,643.12x = 152,685.18 × 60,342.12
  4. Step 4: Simplify right side
    110,643.12x = 9,213,347,453.78
  5. Step 5: Solve for x
    x = 9,213,347,453.78/110,643.12
  6. Step 6: Final answer
    x = 83,270.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.