Home / 99,247.32-148,859.36-28,176.20

Finding the Fourth Proportional to 99,247.32, 148,859.36 and 28,176.20

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Solution

The fourth proportional to 99,247.32, 148,859.36 and 28,176.20 is: 42,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,247.32 : 148,859.36 = 28,176.20 : x
  2. Step 2: Convert to fraction form
    99,247.32/148,859.36 = 28,176.20/x
  3. Step 3: Cross multiply
    99,247.32x = 148,859.36 × 28,176.20
  4. Step 4: Simplify right side
    99,247.32x = 4,194,291,099.23
  5. Step 5: Solve for x
    x = 4,194,291,099.23/99,247.32
  6. Step 6: Final answer
    x = 42,261.00

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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.