Home / 159,015.93-219,350.61-99,296.25

Finding the Fourth Proportional to 159,015.93, 219,350.61 and 99,296.25

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Solution

The fourth proportional to 159,015.93, 219,350.61 and 99,296.25 is: 136,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,015.93 : 219,350.61 = 99,296.25 : x
  2. Step 2: Convert to fraction form
    159,015.93/219,350.61 = 99,296.25/x
  3. Step 3: Cross multiply
    159,015.93x = 219,350.61 × 99,296.25
  4. Step 4: Simplify right side
    159,015.93x = 21,780,693,008.21
  5. Step 5: Solve for x
    x = 21,780,693,008.21/159,015.93
  6. Step 6: Final answer
    x = 136,971.77

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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.