Home / 185,460.16-278,182.54-85,587.16

Finding the Fourth Proportional to 185,460.16, 278,182.54 and 85,587.16

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Solution

The fourth proportional to 185,460.16, 278,182.54 and 85,587.16 is: 128,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,460.16 : 278,182.54 = 85,587.16 : x
  2. Step 2: Convert to fraction form
    185,460.16/278,182.54 = 85,587.16/x
  3. Step 3: Cross multiply
    185,460.16x = 278,182.54 × 85,587.16
  4. Step 4: Simplify right side
    185,460.16x = 23,808,853,560.19
  5. Step 5: Solve for x
    x = 23,808,853,560.19/185,460.16
  6. Step 6: Final answer
    x = 128,377.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.