Home / 156,565.51-234,856.46-119,184.21

Finding the Fourth Proportional to 156,565.51, 234,856.46 and 119,184.21

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Solution

The fourth proportional to 156,565.51, 234,856.46 and 119,184.21 is: 178,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565.51 : 234,856.46 = 119,184.21 : x
  2. Step 2: Convert to fraction form
    156,565.51/234,856.46 = 119,184.21/x
  3. Step 3: Cross multiply
    156,565.51x = 234,856.46 × 119,184.21
  4. Step 4: Simplify right side
    156,565.51x = 27,991,181,946.46
  5. Step 5: Solve for x
    x = 27,991,181,946.46/156,565.51
  6. Step 6: Final answer
    x = 178,782.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.