Home / 188,001.13-259,440.15-103,117.59

Finding the Fourth Proportional to 188,001.13, 259,440.15 and 103,117.59

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Solution

The fourth proportional to 188,001.13, 259,440.15 and 103,117.59 is: 142,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,001.13 : 259,440.15 = 103,117.59 : x
  2. Step 2: Convert to fraction form
    188,001.13/259,440.15 = 103,117.59/x
  3. Step 3: Cross multiply
    188,001.13x = 259,440.15 × 103,117.59
  4. Step 4: Simplify right side
    188,001.13x = 26,752,842,501.65
  5. Step 5: Solve for x
    x = 26,752,842,501.65/188,001.13
  6. Step 6: Final answer
    x = 142,301.50

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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.