Home / 111,178.48-153,450.14-70,882.96

Finding the Fourth Proportional to 111,178.48, 153,450.14 and 70,882.96

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Solution

The fourth proportional to 111,178.48, 153,450.14 and 70,882.96 is: 97,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,178.48 : 153,450.14 = 70,882.96 : x
  2. Step 2: Convert to fraction form
    111,178.48/153,450.14 = 70,882.96/x
  3. Step 3: Cross multiply
    111,178.48x = 153,450.14 × 70,882.96
  4. Step 4: Simplify right side
    111,178.48x = 10,877,000,135.61
  5. Step 5: Solve for x
    x = 10,877,000,135.61/111,178.48
  6. Step 6: Final answer
    x = 97,833.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.