Home / 99,119.46-148,468.58-67,117.98

Finding the Fourth Proportional to 99,119.46, 148,468.58 and 67,117.98

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Solution

The fourth proportional to 99,119.46, 148,468.58 and 67,117.98 is: 100,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,119.46 : 148,468.58 = 67,117.98 : x
  2. Step 2: Convert to fraction form
    99,119.46/148,468.58 = 67,117.98/x
  3. Step 3: Cross multiply
    99,119.46x = 148,468.58 × 67,117.98
  4. Step 4: Simplify right side
    99,119.46x = 9,964,911,183.07
  5. Step 5: Solve for x
    x = 9,964,911,183.07/99,119.46
  6. Step 6: Final answer
    x = 100,534.36

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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.