Home / 113,358.30-170,037.45-101,111.10

Finding the Fourth Proportional to 113,358.30, 170,037.45 and 101,111.10

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Solution

The fourth proportional to 113,358.30, 170,037.45 and 101,111.10 is: 151,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,358.30 : 170,037.45 = 101,111.10 : x
  2. Step 2: Convert to fraction form
    113,358.30/170,037.45 = 101,111.10/x
  3. Step 3: Cross multiply
    113,358.30x = 170,037.45 × 101,111.10
  4. Step 4: Simplify right side
    113,358.30x = 17,192,673,610.70
  5. Step 5: Solve for x
    x = 17,192,673,610.70/113,358.30
  6. Step 6: Final answer
    x = 151,666.65

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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.