Home / 169,864.12-234,461.46-136,108.18

Finding the Fourth Proportional to 169,864.12, 234,461.46 and 136,108.18

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Solution

The fourth proportional to 169,864.12, 234,461.46 and 136,108.18 is: 187,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,864.12 : 234,461.46 = 136,108.18 : x
  2. Step 2: Convert to fraction form
    169,864.12/234,461.46 = 136,108.18/x
  3. Step 3: Cross multiply
    169,864.12x = 234,461.46 × 136,108.18
  4. Step 4: Simplify right side
    169,864.12x = 31,912,122,600.74
  5. Step 5: Solve for x
    x = 31,912,122,600.74/169,864.12
  6. Step 6: Final answer
    x = 187,868.53

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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.