Home / 156,467.09-234,785.79-66,495.74

Finding the Fourth Proportional to 156,467.09, 234,785.79 and 66,495.74

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Solution

The fourth proportional to 156,467.09, 234,785.79 and 66,495.74 is: 99,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,467.09 : 234,785.79 = 66,495.74 : x
  2. Step 2: Convert to fraction form
    156,467.09/234,785.79 = 66,495.74/x
  3. Step 3: Cross multiply
    156,467.09x = 234,785.79 × 66,495.74
  4. Step 4: Simplify right side
    156,467.09x = 15,612,253,673.61
  5. Step 5: Solve for x
    x = 15,612,253,673.61/156,467.09
  6. Step 6: Final answer
    x = 99,779.79

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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.