Home / 185,276.16-278,030.88-115,292.16

Finding the Fourth Proportional to 185,276.16, 278,030.88 and 115,292.16

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Solution

The fourth proportional to 185,276.16, 278,030.88 and 115,292.16 is: 173,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,276.16 : 278,030.88 = 115,292.16 : x
  2. Step 2: Convert to fraction form
    185,276.16/278,030.88 = 115,292.16/x
  3. Step 3: Cross multiply
    185,276.16x = 278,030.88 × 115,292.16
  4. Step 4: Simplify right side
    185,276.16x = 32,054,780,701.90
  5. Step 5: Solve for x
    x = 32,054,780,701.90/185,276.16
  6. Step 6: Final answer
    x = 173,010.82

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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.