Home / 207,743.91-286,622.87-127,087.35

Finding the Fourth Proportional to 207,743.91, 286,622.87 and 127,087.35

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Solution

The fourth proportional to 207,743.91, 286,622.87 and 127,087.35 is: 175,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,743.91 : 286,622.87 = 127,087.35 : x
  2. Step 2: Convert to fraction form
    207,743.91/286,622.87 = 127,087.35/x
  3. Step 3: Cross multiply
    207,743.91x = 286,622.87 × 127,087.35
  4. Step 4: Simplify right side
    207,743.91x = 36,426,140,362.26
  5. Step 5: Solve for x
    x = 36,426,140,362.26/207,743.91
  6. Step 6: Final answer
    x = 175,341.56

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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.