Home / 180,291.40-248,780.28-99,707.95

Finding the Fourth Proportional to 180,291.40, 248,780.28 and 99,707.95

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Solution

The fourth proportional to 180,291.40, 248,780.28 and 99,707.95 is: 137,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,291.40 : 248,780.28 = 99,707.95 : x
  2. Step 2: Convert to fraction form
    180,291.40/248,780.28 = 99,707.95/x
  3. Step 3: Cross multiply
    180,291.40x = 248,780.28 × 99,707.95
  4. Step 4: Simplify right side
    180,291.40x = 24,805,370,475.32
  5. Step 5: Solve for x
    x = 24,805,370,475.32/180,291.40
  6. Step 6: Final answer
    x = 137,584.88

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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.