Home / 152,315.92-210,214.20-95,719.60

Finding the Fourth Proportional to 152,315.92, 210,214.20 and 95,719.60

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Solution

The fourth proportional to 152,315.92, 210,214.20 and 95,719.60 is: 132,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,315.92 : 210,214.20 = 95,719.60 : x
  2. Step 2: Convert to fraction form
    152,315.92/210,214.20 = 95,719.60/x
  3. Step 3: Cross multiply
    152,315.92x = 210,214.20 × 95,719.60
  4. Step 4: Simplify right side
    152,315.92x = 20,121,619,138.32
  5. Step 5: Solve for x
    x = 20,121,619,138.32/152,315.92
  6. Step 6: Final answer
    x = 132,104.50

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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.