Home / 153,232.60-229,422.30-78,190.60

Finding the Fourth Proportional to 153,232.60, 229,422.30 and 78,190.60

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Solution

The fourth proportional to 153,232.60, 229,422.30 and 78,190.60 is: 117,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232.60 : 229,422.30 = 78,190.60 : x
  2. Step 2: Convert to fraction form
    153,232.60/229,422.30 = 78,190.60/x
  3. Step 3: Cross multiply
    153,232.60x = 229,422.30 × 78,190.60
  4. Step 4: Simplify right side
    153,232.60x = 17,938,667,290.38
  5. Step 5: Solve for x
    x = 17,938,667,290.38/153,232.60
  6. Step 6: Final answer
    x = 117,068.22

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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.