Home / 99,000.56-148,498.38-28,880.48

Finding the Fourth Proportional to 99,000.56, 148,498.38 and 28,880.48

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Solution

The fourth proportional to 99,000.56, 148,498.38 and 28,880.48 is: 43,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,000.56 : 148,498.38 = 28,880.48 : x
  2. Step 2: Convert to fraction form
    99,000.56/148,498.38 = 28,880.48/x
  3. Step 3: Cross multiply
    99,000.56x = 148,498.38 × 28,880.48
  4. Step 4: Simplify right side
    99,000.56x = 4,288,703,751.13
  5. Step 5: Solve for x
    x = 4,288,703,751.13/99,000.56
  6. Step 6: Final answer
    x = 43,320.00

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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.