Home / 147,587.76-203,634.88-86,324.42

Finding the Fourth Proportional to 147,587.76, 203,634.88 and 86,324.42

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Solution

The fourth proportional to 147,587.76, 203,634.88 and 86,324.42 is: 119,106.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.76 : 203,634.88 = 86,324.42 : x
  2. Step 2: Convert to fraction form
    147,587.76/203,634.88 = 86,324.42/x
  3. Step 3: Cross multiply
    147,587.76x = 203,634.88 × 86,324.42
  4. Step 4: Simplify right side
    147,587.76x = 17,578,663,201.05
  5. Step 5: Solve for x
    x = 17,578,663,201.05/147,587.76
  6. Step 6: Final answer
    x = 119,106.51

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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.