Home / 111,488.25-167,230.68-77,262.45

Finding the Fourth Proportional to 111,488.25, 167,230.68 and 77,262.45

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Solution

The fourth proportional to 111,488.25, 167,230.68 and 77,262.45 is: 115,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,488.25 : 167,230.68 = 77,262.45 : x
  2. Step 2: Convert to fraction form
    111,488.25/167,230.68 = 77,262.45/x
  3. Step 3: Cross multiply
    111,488.25x = 167,230.68 × 77,262.45
  4. Step 4: Simplify right side
    111,488.25x = 12,920,652,051.97
  5. Step 5: Solve for x
    x = 12,920,652,051.97/111,488.25
  6. Step 6: Final answer
    x = 115,892.50

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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.