Home / 188,501.40-260,132.79-103,623.93

Finding the Fourth Proportional to 188,501.40, 260,132.79 and 103,623.93

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Solution

The fourth proportional to 188,501.40, 260,132.79 and 103,623.93 is: 143,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,501.40 : 260,132.79 = 103,623.93 : x
  2. Step 2: Convert to fraction form
    188,501.40/260,132.79 = 103,623.93/x
  3. Step 3: Cross multiply
    188,501.40x = 260,132.79 × 103,623.93
  4. Step 4: Simplify right side
    188,501.40x = 26,955,982,021.66
  5. Step 5: Solve for x
    x = 26,955,982,021.66/188,501.40
  6. Step 6: Final answer
    x = 143,001.50

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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.