Home / 111,219.18-166,828.77-28,113.18

Finding the Fourth Proportional to 111,219.18, 166,828.77 and 28,113.18

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Solution

The fourth proportional to 111,219.18, 166,828.77 and 28,113.18 is: 42,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219.18 : 166,828.77 = 28,113.18 : x
  2. Step 2: Convert to fraction form
    111,219.18/166,828.77 = 28,113.18/x
  3. Step 3: Cross multiply
    111,219.18x = 166,828.77 × 28,113.18
  4. Step 4: Simplify right side
    111,219.18x = 4,690,087,240.19
  5. Step 5: Solve for x
    x = 4,690,087,240.19/111,219.18
  6. Step 6: Final answer
    x = 42,169.77

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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.