Home / 152,025.96-209,807.40-87,514.92

Finding the Fourth Proportional to 152,025.96, 209,807.40 and 87,514.92

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Solution

The fourth proportional to 152,025.96, 209,807.40 and 87,514.92 is: 120,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,025.96 : 209,807.40 = 87,514.92 : x
  2. Step 2: Convert to fraction form
    152,025.96/209,807.40 = 87,514.92/x
  3. Step 3: Cross multiply
    152,025.96x = 209,807.40 × 87,514.92
  4. Step 4: Simplify right side
    152,025.96x = 18,361,277,826.41
  5. Step 5: Solve for x
    x = 18,361,277,826.41/152,025.96
  6. Step 6: Final answer
    x = 120,777.25

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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.