Home / 147,811.50-221,746.41-75,582.18

Finding the Fourth Proportional to 147,811.50, 221,746.41 and 75,582.18

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Solution

The fourth proportional to 147,811.50, 221,746.41 and 75,582.18 is: 113,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.50 : 221,746.41 = 75,582.18 : x
  2. Step 2: Convert to fraction form
    147,811.50/221,746.41 = 75,582.18/x
  3. Step 3: Cross multiply
    147,811.50x = 221,746.41 × 75,582.18
  4. Step 4: Simplify right side
    147,811.50x = 16,760,077,074.97
  5. Step 5: Solve for x
    x = 16,760,077,074.97/147,811.50
  6. Step 6: Final answer
    x = 113,388.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.