Home / 105,873.12-146,098.36-58,126.20

Finding the Fourth Proportional to 105,873.12, 146,098.36 and 58,126.20

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Solution

The fourth proportional to 105,873.12, 146,098.36 and 58,126.20 is: 80,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,873.12 : 146,098.36 = 58,126.20 : x
  2. Step 2: Convert to fraction form
    105,873.12/146,098.36 = 58,126.20/x
  3. Step 3: Cross multiply
    105,873.12x = 146,098.36 × 58,126.20
  4. Step 4: Simplify right side
    105,873.12x = 8,492,142,493.03
  5. Step 5: Solve for x
    x = 8,492,142,493.03/105,873.12
  6. Step 6: Final answer
    x = 80,210.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.