Home / 207,743.54-286,622.35-127,086.98

Finding the Fourth Proportional to 207,743.54, 286,622.35 and 127,086.98

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Solution

The fourth proportional to 207,743.54, 286,622.35 and 127,086.98 is: 175,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,743.54 : 286,622.35 = 127,086.98 : x
  2. Step 2: Convert to fraction form
    207,743.54/286,622.35 = 127,086.98/x
  3. Step 3: Cross multiply
    207,743.54x = 286,622.35 × 127,086.98
  4. Step 4: Simplify right side
    207,743.54x = 36,425,967,111.17
  5. Step 5: Solve for x
    x = 36,425,967,111.17/207,743.54
  6. Step 6: Final answer
    x = 175,341.04

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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.