Home / 99,408.04-148,059.20-98,923.65

Finding the Fourth Proportional to 99,408.04, 148,059.20 and 98,923.65

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Solution

The fourth proportional to 99,408.04, 148,059.20 and 98,923.65 is: 147,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,408.04 : 148,059.20 = 98,923.65 : x
  2. Step 2: Convert to fraction form
    99,408.04/148,059.20 = 98,923.65/x
  3. Step 3: Cross multiply
    99,408.04x = 148,059.20 × 98,923.65
  4. Step 4: Simplify right side
    99,408.04x = 14,646,556,850.23
  5. Step 5: Solve for x
    x = 14,646,556,850.23/99,408.04
  6. Step 6: Final answer
    x = 147,337.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.