Home / 239,161.50-358,617.61-89,278.51

Finding the Fourth Proportional to 239,161.50, 358,617.61 and 89,278.51

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Solution

The fourth proportional to 239,161.50, 358,617.61 and 89,278.51 is: 133,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,161.50 : 358,617.61 = 89,278.51 : x
  2. Step 2: Convert to fraction form
    239,161.50/358,617.61 = 89,278.51/x
  3. Step 3: Cross multiply
    239,161.50x = 358,617.61 × 89,278.51
  4. Step 4: Simplify right side
    239,161.50x = 32,016,845,880.56
  5. Step 5: Solve for x
    x = 32,016,845,880.56/239,161.50
  6. Step 6: Final answer
    x = 133,871.24

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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.