Home / 185,712.19-255,296.13-159,775.40

Finding the Fourth Proportional to 185,712.19, 255,296.13 and 159,775.40

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Solution

The fourth proportional to 185,712.19, 255,296.13 and 159,775.40 is: 219,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,712.19 : 255,296.13 = 159,775.40 : x
  2. Step 2: Convert to fraction form
    185,712.19/255,296.13 = 159,775.40/x
  3. Step 3: Cross multiply
    185,712.19x = 255,296.13 × 159,775.40
  4. Step 4: Simplify right side
    185,712.19x = 40,790,041,289.20
  5. Step 5: Solve for x
    x = 40,790,041,289.20/185,712.19
  6. Step 6: Final answer
    x = 219,641.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.