Home / 207,786.74-286,793.40-127,258.64

Finding the Fourth Proportional to 207,786.74, 286,793.40 and 127,258.64

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Solution

The fourth proportional to 207,786.74, 286,793.40 and 127,258.64 is: 175,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,786.74 : 286,793.40 = 127,258.64 : x
  2. Step 2: Convert to fraction form
    207,786.74/286,793.40 = 127,258.64/x
  3. Step 3: Cross multiply
    207,786.74x = 286,793.40 × 127,258.64
  4. Step 4: Simplify right side
    207,786.74x = 36,496,938,044.98
  5. Step 5: Solve for x
    x = 36,496,938,044.98/207,786.74
  6. Step 6: Final answer
    x = 175,646.14

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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.