Home / 156,079.83-234,119.73-66,136.71

Finding the Fourth Proportional to 156,079.83, 234,119.73 and 66,136.71

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Solution

The fourth proportional to 156,079.83, 234,119.73 and 66,136.71 is: 99,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,079.83 : 234,119.73 = 66,136.71 : x
  2. Step 2: Convert to fraction form
    156,079.83/234,119.73 = 66,136.71/x
  3. Step 3: Cross multiply
    156,079.83x = 234,119.73 × 66,136.71
  4. Step 4: Simplify right side
    156,079.83x = 15,483,908,688.29
  5. Step 5: Solve for x
    x = 15,483,908,688.29/156,079.83
  6. Step 6: Final answer
    x = 99,205.06

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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.