Home / 221,952.19-306,293.87-119,977.64

Finding the Fourth Proportional to 221,952.19, 306,293.87 and 119,977.64

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Solution

The fourth proportional to 221,952.19, 306,293.87 and 119,977.64 is: 165,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,952.19 : 306,293.87 = 119,977.64 : x
  2. Step 2: Convert to fraction form
    221,952.19/306,293.87 = 119,977.64/x
  3. Step 3: Cross multiply
    221,952.19x = 306,293.87 × 119,977.64
  4. Step 4: Simplify right side
    221,952.19x = 36,748,416,134.86
  5. Step 5: Solve for x
    x = 36,748,416,134.86/221,952.19
  6. Step 6: Final answer
    x = 165,569.06

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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.