Home / 99,182.06-148,782.53-28,106.18

Finding the Fourth Proportional to 99,182.06, 148,782.53 and 28,106.18

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Solution

The fourth proportional to 99,182.06, 148,782.53 and 28,106.18 is: 42,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.06 : 148,782.53 = 28,106.18 : x
  2. Step 2: Convert to fraction form
    99,182.06/148,782.53 = 28,106.18/x
  3. Step 3: Cross multiply
    99,182.06x = 148,782.53 × 28,106.18
  4. Step 4: Simplify right side
    99,182.06x = 4,181,708,569.04
  5. Step 5: Solve for x
    x = 4,181,708,569.04/99,182.06
  6. Step 6: Final answer
    x = 42,161.95

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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.