Home / 268,187.63-402,275.21-135,032.13

Finding the Fourth Proportional to 268,187.63, 402,275.21 and 135,032.13

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Solution

The fourth proportional to 268,187.63, 402,275.21 and 135,032.13 is: 202,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,187.63 : 402,275.21 = 135,032.13 : x
  2. Step 2: Convert to fraction form
    268,187.63/402,275.21 = 135,032.13/x
  3. Step 3: Cross multiply
    268,187.63x = 402,275.21 × 135,032.13
  4. Step 4: Simplify right side
    268,187.63x = 54,320,077,777.34
  5. Step 5: Solve for x
    x = 54,320,077,777.34/268,187.63
  6. Step 6: Final answer
    x = 202,545.06

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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.