Home / 223,582.14-308,565.99-128,101.50

Finding the Fourth Proportional to 223,582.14, 308,565.99 and 128,101.50

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Solution

The fourth proportional to 223,582.14, 308,565.99 and 128,101.50 is: 176,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,582.14 : 308,565.99 = 128,101.50 : x
  2. Step 2: Convert to fraction form
    223,582.14/308,565.99 = 128,101.50/x
  3. Step 3: Cross multiply
    223,582.14x = 308,565.99 × 128,101.50
  4. Step 4: Simplify right side
    223,582.14x = 39,527,766,167.99
  5. Step 5: Solve for x
    x = 39,527,766,167.99/223,582.14
  6. Step 6: Final answer
    x = 176,793.04

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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.