Home / 177,902.06-245,654.43-127,070.71

Finding the Fourth Proportional to 177,902.06, 245,654.43 and 127,070.71

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Solution

The fourth proportional to 177,902.06, 245,654.43 and 127,070.71 is: 175,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,902.06 : 245,654.43 = 127,070.71 : x
  2. Step 2: Convert to fraction form
    177,902.06/245,654.43 = 127,070.71/x
  3. Step 3: Cross multiply
    177,902.06x = 245,654.43 × 127,070.71
  4. Step 4: Simplify right side
    177,902.06x = 31,215,483,618.33
  5. Step 5: Solve for x
    x = 31,215,483,618.33/177,902.06
  6. Step 6: Final answer
    x = 175,464.43

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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.