Home / 258,689.07-356,685.60-177,056.70

Finding the Fourth Proportional to 258,689.07, 356,685.60 and 177,056.70

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Solution

The fourth proportional to 258,689.07, 356,685.60 and 177,056.70 is: 244,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,689.07 : 356,685.60 = 177,056.70 : x
  2. Step 2: Convert to fraction form
    258,689.07/356,685.60 = 177,056.70/x
  3. Step 3: Cross multiply
    258,689.07x = 356,685.60 × 177,056.70
  4. Step 4: Simplify right side
    258,689.07x = 63,153,575,273.52
  5. Step 5: Solve for x
    x = 63,153,575,273.52/258,689.07
  6. Step 6: Final answer
    x = 244,129.28

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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.