Home / 292,217.50-403,260.15-158,081.50

Finding the Fourth Proportional to 292,217.50, 403,260.15 and 158,081.50

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Solution

The fourth proportional to 292,217.50, 403,260.15 and 158,081.50 is: 218,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,217.50 : 403,260.15 = 158,081.50 : x
  2. Step 2: Convert to fraction form
    292,217.50/403,260.15 = 158,081.50/x
  3. Step 3: Cross multiply
    292,217.50x = 403,260.15 × 158,081.50
  4. Step 4: Simplify right side
    292,217.50x = 63,747,969,402.23
  5. Step 5: Solve for x
    x = 63,747,969,402.23/292,217.50
  6. Step 6: Final answer
    x = 218,152.47

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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.