Home / 153,717.88-229,048.70-136,949.05

Finding the Fourth Proportional to 153,717.88, 229,048.70 and 136,949.05

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Solution

The fourth proportional to 153,717.88, 229,048.70 and 136,949.05 is: 204,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,717.88 : 229,048.70 = 136,949.05 : x
  2. Step 2: Convert to fraction form
    153,717.88/229,048.70 = 136,949.05/x
  3. Step 3: Cross multiply
    153,717.88x = 229,048.70 × 136,949.05
  4. Step 4: Simplify right side
    153,717.88x = 31,368,001,868.74
  5. Step 5: Solve for x
    x = 31,368,001,868.74/153,717.88
  6. Step 6: Final answer
    x = 204,062.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.