Home / 147,326.91-203,301.56-86,883.69

Finding the Fourth Proportional to 147,326.91, 203,301.56 and 86,883.69

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Solution

The fourth proportional to 147,326.91, 203,301.56 and 86,883.69 is: 119,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,326.91 : 203,301.56 = 86,883.69 : x
  2. Step 2: Convert to fraction form
    147,326.91/203,301.56 = 86,883.69/x
  3. Step 3: Cross multiply
    147,326.91x = 203,301.56 × 86,883.69
  4. Step 4: Simplify right side
    147,326.91x = 17,663,590,695.15
  5. Step 5: Solve for x
    x = 17,663,590,695.15/147,326.91
  6. Step 6: Final answer
    x = 119,893.85

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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.