Home / 140,999.52-194,598-90,844.32

Finding the Fourth Proportional to 140,999.52, 194,598 and 90,844.32

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Solution

The fourth proportional to 140,999.52, 194,598 and 90,844.32 is: 125,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,999.52 : 194,598 = 90,844.32 : x
  2. Step 2: Convert to fraction form
    140,999.52/194,598 = 90,844.32/x
  3. Step 3: Cross multiply
    140,999.52x = 194,598 × 90,844.32
  4. Step 4: Simplify right side
    140,999.52x = 17,678,122,983.36
  5. Step 5: Solve for x
    x = 17,678,122,983.36/140,999.52
  6. Step 6: Final answer
    x = 125,377.19

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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.