Home / 103,280.04-154,901.42-27,379.08

Finding the Fourth Proportional to 103,280.04, 154,901.42 and 27,379.08

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Solution

The fourth proportional to 103,280.04, 154,901.42 and 27,379.08 is: 41,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,280.04 : 154,901.42 = 27,379.08 : x
  2. Step 2: Convert to fraction form
    103,280.04/154,901.42 = 27,379.08/x
  3. Step 3: Cross multiply
    103,280.04x = 154,901.42 × 27,379.08
  4. Step 4: Simplify right side
    103,280.04x = 4,241,058,370.29
  5. Step 5: Solve for x
    x = 4,241,058,370.29/103,280.04
  6. Step 6: Final answer
    x = 41,063.68

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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.