Home / 147,326.90-203,305.72-90,062.14

Finding the Fourth Proportional to 147,326.90, 203,305.72 and 90,062.14

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Solution

The fourth proportional to 147,326.90, 203,305.72 and 90,062.14 is: 124,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326.90 : 203,305.72 = 90,062.14 : x
  2. Step 2: Convert to fraction form
    147,326.90/203,305.72 = 90,062.14/x
  3. Step 3: Cross multiply
    147,326.90x = 203,305.72 × 90,062.14
  4. Step 4: Simplify right side
    147,326.90x = 18,310,148,217.44
  5. Step 5: Solve for x
    x = 18,310,148,217.44/147,326.90
  6. Step 6: Final answer
    x = 124,282.45

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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.