Home / 154,124.13-231,186.19-43,316.13

Finding the Fourth Proportional to 154,124.13, 231,186.19 and 43,316.13

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Solution

The fourth proportional to 154,124.13, 231,186.19 and 43,316.13 is: 64,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,124.13 : 231,186.19 = 43,316.13 : x
  2. Step 2: Convert to fraction form
    154,124.13/231,186.19 = 43,316.13/x
  3. Step 3: Cross multiply
    154,124.13x = 231,186.19 × 43,316.13
  4. Step 4: Simplify right side
    154,124.13x = 10,014,091,060.24
  5. Step 5: Solve for x
    x = 10,014,091,060.24/154,124.13
  6. Step 6: Final answer
    x = 64,974.19

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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.