Home / 156,145.28-234,169.51-56,292.56

Finding the Fourth Proportional to 156,145.28, 234,169.51 and 56,292.56

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Solution

The fourth proportional to 156,145.28, 234,169.51 and 56,292.56 is: 84,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,145.28 : 234,169.51 = 56,292.56 : x
  2. Step 2: Convert to fraction form
    156,145.28/234,169.51 = 56,292.56/x
  3. Step 3: Cross multiply
    156,145.28x = 234,169.51 × 56,292.56
  4. Step 4: Simplify right side
    156,145.28x = 13,182,001,191.85
  5. Step 5: Solve for x
    x = 13,182,001,191.85/156,145.28
  6. Step 6: Final answer
    x = 84,421.39

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1.5x scale

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.