Home / 146,543.86-202,238.40-92,809.30

Finding the Fourth Proportional to 146,543.86, 202,238.40 and 92,809.30

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Solution

The fourth proportional to 146,543.86, 202,238.40 and 92,809.30 is: 128,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,543.86 : 202,238.40 = 92,809.30 : x
  2. Step 2: Convert to fraction form
    146,543.86/202,238.40 = 92,809.30/x
  3. Step 3: Cross multiply
    146,543.86x = 202,238.40 × 92,809.30
  4. Step 4: Simplify right side
    146,543.86x = 18,769,604,337.12
  5. Step 5: Solve for x
    x = 18,769,604,337.12/146,543.86
  6. Step 6: Final answer
    x = 128,081.82

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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.