Home / 159,890.36-220,515.18-119,699.24

Finding the Fourth Proportional to 159,890.36, 220,515.18 and 119,699.24

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Solution

The fourth proportional to 159,890.36, 220,515.18 and 119,699.24 is: 165,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,890.36 : 220,515.18 = 119,699.24 : x
  2. Step 2: Convert to fraction form
    159,890.36/220,515.18 = 119,699.24/x
  3. Step 3: Cross multiply
    159,890.36x = 220,515.18 × 119,699.24
  4. Step 4: Simplify right side
    159,890.36x = 26,395,499,454.46
  5. Step 5: Solve for x
    x = 26,395,499,454.46/159,890.36
  6. Step 6: Final answer
    x = 165,085.00

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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.