Home / 209,752.20-314,525.28-89,792.19

Finding the Fourth Proportional to 209,752.20, 314,525.28 and 89,792.19

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Solution

The fourth proportional to 209,752.20, 314,525.28 and 89,792.19 is: 134,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,752.20 : 314,525.28 = 89,792.19 : x
  2. Step 2: Convert to fraction form
    209,752.20/314,525.28 = 89,792.19/x
  3. Step 3: Cross multiply
    209,752.20x = 314,525.28 × 89,792.19
  4. Step 4: Simplify right side
    209,752.20x = 28,241,913,701.56
  5. Step 5: Solve for x
    x = 28,241,913,701.56/209,752.20
  6. Step 6: Final answer
    x = 134,644.18

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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.