Home / 156,626.83-216,144.93-88,642.56

Finding the Fourth Proportional to 156,626.83, 216,144.93 and 88,642.56

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Solution

The fourth proportional to 156,626.83, 216,144.93 and 88,642.56 is: 122,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626.83 : 216,144.93 = 88,642.56 : x
  2. Step 2: Convert to fraction form
    156,626.83/216,144.93 = 88,642.56/x
  3. Step 3: Cross multiply
    156,626.83x = 216,144.93 × 88,642.56
  4. Step 4: Simplify right side
    156,626.83x = 19,159,639,926.22
  5. Step 5: Solve for x
    x = 19,159,639,926.22/156,626.83
  6. Step 6: Final answer
    x = 122,326.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.