Home / 170,947.76-236,019.30-153,012.20

Finding the Fourth Proportional to 170,947.76, 236,019.30 and 153,012.20

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Solution

The fourth proportional to 170,947.76, 236,019.30 and 153,012.20 is: 211,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,947.76 : 236,019.30 = 153,012.20 : x
  2. Step 2: Convert to fraction form
    170,947.76/236,019.30 = 153,012.20/x
  3. Step 3: Cross multiply
    170,947.76x = 236,019.30 × 153,012.20
  4. Step 4: Simplify right side
    170,947.76x = 36,113,832,335.46
  5. Step 5: Solve for x
    x = 36,113,832,335.46/170,947.76
  6. Step 6: Final answer
    x = 211,256.54

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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.