Home / 292,512.90-438,769.35-166,541.70

Finding the Fourth Proportional to 292,512.90, 438,769.35 and 166,541.70

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Solution

The fourth proportional to 292,512.90, 438,769.35 and 166,541.70 is: 249,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,512.90 : 438,769.35 = 166,541.70 : x
  2. Step 2: Convert to fraction form
    292,512.90/438,769.35 = 166,541.70/x
  3. Step 3: Cross multiply
    292,512.90x = 438,769.35 × 166,541.70
  4. Step 4: Simplify right side
    292,512.90x = 73,073,393,456.90
  5. Step 5: Solve for x
    x = 73,073,393,456.90/292,512.90
  6. Step 6: Final answer
    x = 249,812.55

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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.