Home / 99,184.78-148,777.14-25,312.78

Finding the Fourth Proportional to 99,184.78, 148,777.14 and 25,312.78

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Solution

The fourth proportional to 99,184.78, 148,777.14 and 25,312.78 is: 37,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,184.78 : 148,777.14 = 25,312.78 : x
  2. Step 2: Convert to fraction form
    99,184.78/148,777.14 = 25,312.78/x
  3. Step 3: Cross multiply
    99,184.78x = 148,777.14 × 25,312.78
  4. Step 4: Simplify right side
    99,184.78x = 3,765,963,013.85
  5. Step 5: Solve for x
    x = 3,765,963,013.85/99,184.78
  6. Step 6: Final answer
    x = 37,969.16

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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.