Home / 147,565.94-203,650.62-83,909.66

Finding the Fourth Proportional to 147,565.94, 203,650.62 and 83,909.66

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Solution

The fourth proportional to 147,565.94, 203,650.62 and 83,909.66 is: 115,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,565.94 : 203,650.62 = 83,909.66 : x
  2. Step 2: Convert to fraction form
    147,565.94/203,650.62 = 83,909.66/x
  3. Step 3: Cross multiply
    147,565.94x = 203,650.62 × 83,909.66
  4. Step 4: Simplify right side
    147,565.94x = 17,088,254,282.99
  5. Step 5: Solve for x
    x = 17,088,254,282.99/147,565.94
  6. Step 6: Final answer
    x = 115,800.80

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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.