Home / 151,696.32-209,339.46-83,713.92

Finding the Fourth Proportional to 151,696.32, 209,339.46 and 83,713.92

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Solution

The fourth proportional to 151,696.32, 209,339.46 and 83,713.92 is: 115,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,696.32 : 209,339.46 = 83,713.92 : x
  2. Step 2: Convert to fraction form
    151,696.32/209,339.46 = 83,713.92/x
  3. Step 3: Cross multiply
    151,696.32x = 209,339.46 × 83,713.92
  4. Step 4: Simplify right side
    151,696.32x = 17,524,626,807.28
  5. Step 5: Solve for x
    x = 17,524,626,807.28/151,696.32
  6. Step 6: Final answer
    x = 115,524.40

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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.