Home / 159,594.06-220,229.91-87,970.38

Finding the Fourth Proportional to 159,594.06, 220,229.91 and 87,970.38

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Solution

The fourth proportional to 159,594.06, 220,229.91 and 87,970.38 is: 121,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,594.06 : 220,229.91 = 87,970.38 : x
  2. Step 2: Convert to fraction form
    159,594.06/220,229.91 = 87,970.38/x
  3. Step 3: Cross multiply
    159,594.06x = 220,229.91 × 87,970.38
  4. Step 4: Simplify right side
    159,594.06x = 19,373,708,870.07
  5. Step 5: Solve for x
    x = 19,373,708,870.07/159,594.06
  6. Step 6: Final answer
    x = 121,393.67

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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.