Home / 176,001.30-263,541.15-128,999.70

Finding the Fourth Proportional to 176,001.30, 263,541.15 and 128,999.70

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Solution

The fourth proportional to 176,001.30, 263,541.15 and 128,999.70 is: 193,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,001.30 : 263,541.15 = 128,999.70 : x
  2. Step 2: Convert to fraction form
    176,001.30/263,541.15 = 128,999.70/x
  3. Step 3: Cross multiply
    176,001.30x = 263,541.15 × 128,999.70
  4. Step 4: Simplify right side
    176,001.30x = 33,996,729,287.66
  5. Step 5: Solve for x
    x = 33,996,729,287.66/176,001.30
  6. Step 6: Final answer
    x = 193,161.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.