Home / 105,313.14-157,990.88-38,753.62

Finding the Fourth Proportional to 105,313.14, 157,990.88 and 38,753.62

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Solution

The fourth proportional to 105,313.14, 157,990.88 and 38,753.62 is: 58,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,313.14 : 157,990.88 = 38,753.62 : x
  2. Step 2: Convert to fraction form
    105,313.14/157,990.88 = 38,753.62/x
  3. Step 3: Cross multiply
    105,313.14x = 157,990.88 × 38,753.62
  4. Step 4: Simplify right side
    105,313.14x = 6,122,718,228.89
  5. Step 5: Solve for x
    x = 6,122,718,228.89/105,313.14
  6. Step 6: Final answer
    x = 58,138.22

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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.