Home / 99,182.12-148,585.58-76,886.24

Finding the Fourth Proportional to 99,182.12, 148,585.58 and 76,886.24

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Solution

The fourth proportional to 99,182.12, 148,585.58 and 76,886.24 is: 115,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.12 : 148,585.58 = 76,886.24 : x
  2. Step 2: Convert to fraction form
    99,182.12/148,585.58 = 76,886.24/x
  3. Step 3: Cross multiply
    99,182.12x = 148,585.58 × 76,886.24
  4. Step 4: Simplify right side
    99,182.12x = 11,424,186,564.42
  5. Step 5: Solve for x
    x = 11,424,186,564.42/99,182.12
  6. Step 6: Final answer
    x = 115,183.93

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1.5x scale

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.