Home / 207,743.79-286,622.69-127,087.23

Finding the Fourth Proportional to 207,743.79, 286,622.69 and 127,087.23

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Solution

The fourth proportional to 207,743.79, 286,622.69 and 127,087.23 is: 175,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,743.79 : 286,622.69 = 127,087.23 : x
  2. Step 2: Convert to fraction form
    207,743.79/286,622.69 = 127,087.23/x
  3. Step 3: Cross multiply
    207,743.79x = 286,622.69 × 127,087.23
  4. Step 4: Simplify right side
    207,743.79x = 36,426,082,611.85
  5. Step 5: Solve for x
    x = 36,426,082,611.85/207,743.79
  6. Step 6: Final answer
    x = 175,341.38

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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.