Home / 156,729.82-216,342.33-93,067.16

Finding the Fourth Proportional to 156,729.82, 216,342.33 and 93,067.16

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Solution

The fourth proportional to 156,729.82, 216,342.33 and 93,067.16 is: 128,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.82 : 216,342.33 = 93,067.16 : x
  2. Step 2: Convert to fraction form
    156,729.82/216,342.33 = 93,067.16/x
  3. Step 3: Cross multiply
    156,729.82x = 216,342.33 × 93,067.16
  4. Step 4: Simplify right side
    156,729.82x = 20,134,366,240.88
  5. Step 5: Solve for x
    x = 20,134,366,240.88/156,729.82
  6. Step 6: Final answer
    x = 128,465.45

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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.