Home / 154,071.08-231,141.18-51,496.10

Finding the Fourth Proportional to 154,071.08, 231,141.18 and 51,496.10

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Solution

The fourth proportional to 154,071.08, 231,141.18 and 51,496.10 is: 77,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,071.08 : 231,141.18 = 51,496.10 : x
  2. Step 2: Convert to fraction form
    154,071.08/231,141.18 = 51,496.10/x
  3. Step 3: Cross multiply
    154,071.08x = 231,141.18 × 51,496.10
  4. Step 4: Simplify right side
    154,071.08x = 11,902,869,319.40
  5. Step 5: Solve for x
    x = 11,902,869,319.40/154,071.08
  6. Step 6: Final answer
    x = 77,255.70

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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.