Home / 230,675.18-318,331.22-130,072.46

Finding the Fourth Proportional to 230,675.18, 318,331.22 and 130,072.46

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Solution

The fourth proportional to 230,675.18, 318,331.22 and 130,072.46 is: 179,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,675.18 : 318,331.22 = 130,072.46 : x
  2. Step 2: Convert to fraction form
    230,675.18/318,331.22 = 130,072.46/x
  3. Step 3: Cross multiply
    230,675.18x = 318,331.22 × 130,072.46
  4. Step 4: Simplify right side
    230,675.18x = 41,406,124,880.20
  5. Step 5: Solve for x
    x = 41,406,124,880.20/230,675.18
  6. Step 6: Final answer
    x = 179,499.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.