Home / 156,136.48-234,246.96-56,307.76

Finding the Fourth Proportional to 156,136.48, 234,246.96 and 56,307.76

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Solution

The fourth proportional to 156,136.48, 234,246.96 and 56,307.76 is: 84,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136.48 : 234,246.96 = 56,307.76 : x
  2. Step 2: Convert to fraction form
    156,136.48/234,246.96 = 56,307.76/x
  3. Step 3: Cross multiply
    156,136.48x = 234,246.96 × 56,307.76
  4. Step 4: Simplify right side
    156,136.48x = 13,189,921,604.41
  5. Step 5: Solve for x
    x = 13,189,921,604.41/156,136.48
  6. Step 6: Final answer
    x = 84,476.87

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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.