Home / 177,998.49-245,638.22-97,431.12

Finding the Fourth Proportional to 177,998.49, 245,638.22 and 97,431.12

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Solution

The fourth proportional to 177,998.49, 245,638.22 and 97,431.12 is: 134,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,998.49 : 245,638.22 = 97,431.12 : x
  2. Step 2: Convert to fraction form
    177,998.49/245,638.22 = 97,431.12/x
  3. Step 3: Cross multiply
    177,998.49x = 245,638.22 × 97,431.12
  4. Step 4: Simplify right side
    177,998.49x = 23,932,806,402.25
  5. Step 5: Solve for x
    x = 23,932,806,402.25/177,998.49
  6. Step 6: Final answer
    x = 134,455.11

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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.