Home / 105,547.85-158,338.16-35,443.56

Finding the Fourth Proportional to 105,547.85, 158,338.16 and 35,443.56

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Solution

The fourth proportional to 105,547.85, 158,338.16 and 35,443.56 is: 53,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547.85 : 158,338.16 = 35,443.56 : x
  2. Step 2: Convert to fraction form
    105,547.85/158,338.16 = 35,443.56/x
  3. Step 3: Cross multiply
    105,547.85x = 158,338.16 × 35,443.56
  4. Step 4: Simplify right side
    105,547.85x = 5,612,067,897.03
  5. Step 5: Solve for x
    x = 5,612,067,897.03/105,547.85
  6. Step 6: Final answer
    x = 53,170.84

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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.