Home / 113,616.12-170,235.84-69,108.24

Finding the Fourth Proportional to 113,616.12, 170,235.84 and 69,108.24

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Solution

The fourth proportional to 113,616.12, 170,235.84 and 69,108.24 is: 103,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,616.12 : 170,235.84 = 69,108.24 : x
  2. Step 2: Convert to fraction form
    113,616.12/170,235.84 = 69,108.24/x
  3. Step 3: Cross multiply
    113,616.12x = 170,235.84 × 69,108.24
  4. Step 4: Simplify right side
    113,616.12x = 11,764,699,287.32
  5. Step 5: Solve for x
    x = 11,764,699,287.32/113,616.12
  6. Step 6: Final answer
    x = 103,547.80

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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.