Home / 113,355.10-170,032.65-100,233.10

Finding the Fourth Proportional to 113,355.10, 170,032.65 and 100,233.10

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Solution

The fourth proportional to 113,355.10, 170,032.65 and 100,233.10 is: 150,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,355.10 : 170,032.65 = 100,233.10 : x
  2. Step 2: Convert to fraction form
    113,355.10/170,032.65 = 100,233.10/x
  3. Step 3: Cross multiply
    113,355.10x = 170,032.65 × 100,233.10
  4. Step 4: Simplify right side
    113,355.10x = 17,042,899,610.72
  5. Step 5: Solve for x
    x = 17,042,899,610.72/113,355.10
  6. Step 6: Final answer
    x = 150,349.65

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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.