Home / 154,343.08-231,533.10-54,482.68

Finding the Fourth Proportional to 154,343.08, 231,533.10 and 54,482.68

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Solution

The fourth proportional to 154,343.08, 231,533.10 and 54,482.68 is: 81,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,343.08 : 231,533.10 = 54,482.68 : x
  2. Step 2: Convert to fraction form
    154,343.08/231,533.10 = 54,482.68/x
  3. Step 3: Cross multiply
    154,343.08x = 231,533.10 × 54,482.68
  4. Step 4: Simplify right side
    154,343.08x = 12,614,543,796.71
  5. Step 5: Solve for x
    x = 12,614,543,796.71/154,343.08
  6. Step 6: Final answer
    x = 81,730.54

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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.