Home / 220,182.16-303,870.12-124,705.84

Finding the Fourth Proportional to 220,182.16, 303,870.12 and 124,705.84

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Solution

The fourth proportional to 220,182.16, 303,870.12 and 124,705.84 is: 172,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,182.16 : 303,870.12 = 124,705.84 : x
  2. Step 2: Convert to fraction form
    220,182.16/303,870.12 = 124,705.84/x
  3. Step 3: Cross multiply
    220,182.16x = 303,870.12 × 124,705.84
  4. Step 4: Simplify right side
    220,182.16x = 37,894,378,565.50
  5. Step 5: Solve for x
    x = 37,894,378,565.50/220,182.16
  6. Step 6: Final answer
    x = 172,104.67

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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.