Home / 257,214.08-354,945.48-144,031.04

Finding the Fourth Proportional to 257,214.08, 354,945.48 and 144,031.04

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Solution

The fourth proportional to 257,214.08, 354,945.48 and 144,031.04 is: 198,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,214.08 : 354,945.48 = 144,031.04 : x
  2. Step 2: Convert to fraction form
    257,214.08/354,945.48 = 144,031.04/x
  3. Step 3: Cross multiply
    257,214.08x = 354,945.48 × 144,031.04
  4. Step 4: Simplify right side
    257,214.08x = 51,123,166,627.70
  5. Step 5: Solve for x
    x = 51,123,166,627.70/257,214.08
  6. Step 6: Final answer
    x = 198,757.26

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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.