Home / 212,543.80-293,451.60-132,091.36

Finding the Fourth Proportional to 212,543.80, 293,451.60 and 132,091.36

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Solution

The fourth proportional to 212,543.80, 293,451.60 and 132,091.36 is: 182,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,543.80 : 293,451.60 = 132,091.36 : x
  2. Step 2: Convert to fraction form
    212,543.80/293,451.60 = 132,091.36/x
  3. Step 3: Cross multiply
    212,543.80x = 293,451.60 × 132,091.36
  4. Step 4: Simplify right side
    212,543.80x = 38,762,420,938.18
  5. Step 5: Solve for x
    x = 38,762,420,938.18/212,543.80
  6. Step 6: Final answer
    x = 182,373.80

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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.