Home / 152,089.60-209,935.92-88,447.36

Finding the Fourth Proportional to 152,089.60, 209,935.92 and 88,447.36

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Solution

The fourth proportional to 152,089.60, 209,935.92 and 88,447.36 is: 122,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,089.60 : 209,935.92 = 88,447.36 : x
  2. Step 2: Convert to fraction form
    152,089.60/209,935.92 = 88,447.36/x
  3. Step 3: Cross multiply
    152,089.60x = 209,935.92 × 88,447.36
  4. Step 4: Simplify right side
    152,089.60x = 18,568,277,893.17
  5. Step 5: Solve for x
    x = 18,568,277,893.17/152,089.60
  6. Step 6: Final answer
    x = 122,087.76

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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.