Home / 109,466.20-164,187.15-89,710.30

Finding the Fourth Proportional to 109,466.20, 164,187.15 and 89,710.30

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Solution

The fourth proportional to 109,466.20, 164,187.15 and 89,710.30 is: 134,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,466.20 : 164,187.15 = 89,710.30 : x
  2. Step 2: Convert to fraction form
    109,466.20/164,187.15 = 89,710.30/x
  3. Step 3: Cross multiply
    109,466.20x = 164,187.15 × 89,710.30
  4. Step 4: Simplify right side
    109,466.20x = 14,729,278,482.65
  5. Step 5: Solve for x
    x = 14,729,278,482.65/109,466.20
  6. Step 6: Final answer
    x = 134,555.49

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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.