Home / 159,205.32-219,701.73-87,585.48

Finding the Fourth Proportional to 159,205.32, 219,701.73 and 87,585.48

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Solution

The fourth proportional to 159,205.32, 219,701.73 and 87,585.48 is: 120,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,205.32 : 219,701.73 = 87,585.48 : x
  2. Step 2: Convert to fraction form
    159,205.32/219,701.73 = 87,585.48/x
  3. Step 3: Cross multiply
    159,205.32x = 219,701.73 × 87,585.48
  4. Step 4: Simplify right side
    159,205.32x = 19,242,681,478.88
  5. Step 5: Solve for x
    x = 19,242,681,478.88/159,205.32
  6. Step 6: Final answer
    x = 120,867.08

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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.