Home / 111,013.40-166,034.10-99,252.20

Finding the Fourth Proportional to 111,013.40, 166,034.10 and 99,252.20

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Solution

The fourth proportional to 111,013.40, 166,034.10 and 99,252.20 is: 148,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,013.40 : 166,034.10 = 99,252.20 : x
  2. Step 2: Convert to fraction form
    111,013.40/166,034.10 = 99,252.20/x
  3. Step 3: Cross multiply
    111,013.40x = 166,034.10 × 99,252.20
  4. Step 4: Simplify right side
    111,013.40x = 16,479,249,700.02
  5. Step 5: Solve for x
    x = 16,479,249,700.02/111,013.40
  6. Step 6: Final answer
    x = 148,443.79

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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.