Home / 177,813.10-245,382.11-97,240.78

Finding the Fourth Proportional to 177,813.10, 245,382.11 and 97,240.78

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Solution

The fourth proportional to 177,813.10, 245,382.11 and 97,240.78 is: 134,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,813.10 : 245,382.11 = 97,240.78 : x
  2. Step 2: Convert to fraction form
    177,813.10/245,382.11 = 97,240.78/x
  3. Step 3: Cross multiply
    177,813.10x = 245,382.11 × 97,240.78
  4. Step 4: Simplify right side
    177,813.10x = 23,861,147,774.45
  5. Step 5: Solve for x
    x = 23,861,147,774.45/177,813.10
  6. Step 6: Final answer
    x = 134,192.29

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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.