Home / 267,945.74-369,689.38-172,507.70

Finding the Fourth Proportional to 267,945.74, 369,689.38 and 172,507.70

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Solution

The fourth proportional to 267,945.74, 369,689.38 and 172,507.70 is: 238,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,945.74 : 369,689.38 = 172,507.70 : x
  2. Step 2: Convert to fraction form
    267,945.74/369,689.38 = 172,507.70/x
  3. Step 3: Cross multiply
    267,945.74x = 369,689.38 × 172,507.70
  4. Step 4: Simplify right side
    267,945.74x = 63,774,262,378.51
  5. Step 5: Solve for x
    x = 63,774,262,378.51/267,945.74
  6. Step 6: Final answer
    x = 238,011.85

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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.