Home / 159,022.06-219,420.03-108,702.70

Finding the Fourth Proportional to 159,022.06, 219,420.03 and 108,702.70

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Solution

The fourth proportional to 159,022.06, 219,420.03 and 108,702.70 is: 149,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,022.06 : 219,420.03 = 108,702.70 : x
  2. Step 2: Convert to fraction form
    159,022.06/219,420.03 = 108,702.70/x
  3. Step 3: Cross multiply
    159,022.06x = 219,420.03 × 108,702.70
  4. Step 4: Simplify right side
    159,022.06x = 23,851,549,695.08
  5. Step 5: Solve for x
    x = 23,851,549,695.08/159,022.06
  6. Step 6: Final answer
    x = 149,988.94

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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.