Home / 103,665.80-155,517.90-33,547.40

Finding the Fourth Proportional to 103,665.80, 155,517.90 and 33,547.40

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Solution

The fourth proportional to 103,665.80, 155,517.90 and 33,547.40 is: 50,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.80 : 155,517.90 = 33,547.40 : x
  2. Step 2: Convert to fraction form
    103,665.80/155,517.90 = 33,547.40/x
  3. Step 3: Cross multiply
    103,665.80x = 155,517.90 × 33,547.40
  4. Step 4: Simplify right side
    103,665.80x = 5,217,221,198.46
  5. Step 5: Solve for x
    x = 5,217,221,198.46/103,665.80
  6. Step 6: Final answer
    x = 50,327.31

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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.