Home / 156,825.26-216,450.45-93,150.74

Finding the Fourth Proportional to 156,825.26, 216,450.45 and 93,150.74

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Solution

The fourth proportional to 156,825.26, 216,450.45 and 93,150.74 is: 128,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,825.26 : 216,450.45 = 93,150.74 : x
  2. Step 2: Convert to fraction form
    156,825.26/216,450.45 = 93,150.74/x
  3. Step 3: Cross multiply
    156,825.26x = 216,450.45 × 93,150.74
  4. Step 4: Simplify right side
    156,825.26x = 20,162,519,590.83
  5. Step 5: Solve for x
    x = 20,162,519,590.83/156,825.26
  6. Step 6: Final answer
    x = 128,566.79

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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.