Home / 207,960.18-286,852.92-136,344.84

Finding the Fourth Proportional to 207,960.18, 286,852.92 and 136,344.84

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Solution

The fourth proportional to 207,960.18, 286,852.92 and 136,344.84 is: 188,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,960.18 : 286,852.92 = 136,344.84 : x
  2. Step 2: Convert to fraction form
    207,960.18/286,852.92 = 136,344.84/x
  3. Step 3: Cross multiply
    207,960.18x = 286,852.92 × 136,344.84
  4. Step 4: Simplify right side
    207,960.18x = 39,110,915,480.93
  5. Step 5: Solve for x
    x = 39,110,915,480.93/207,960.18
  6. Step 6: Final answer
    x = 188,069.25

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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.