Home / 99,191.12-148,599.04-76,895.24

Finding the Fourth Proportional to 99,191.12, 148,599.04 and 76,895.24

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Solution

The fourth proportional to 99,191.12, 148,599.04 and 76,895.24 is: 115,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,191.12 : 148,599.04 = 76,895.24 : x
  2. Step 2: Convert to fraction form
    99,191.12/148,599.04 = 76,895.24/x
  3. Step 3: Cross multiply
    99,191.12x = 148,599.04 × 76,895.24
  4. Step 4: Simplify right side
    99,191.12x = 11,426,558,844.57
  5. Step 5: Solve for x
    x = 11,426,558,844.57/99,191.12
  6. Step 6: Final answer
    x = 115,197.40

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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.