Home / 105,853.12-146,069.28-58,098.88

Finding the Fourth Proportional to 105,853.12, 146,069.28 and 58,098.88

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Solution

The fourth proportional to 105,853.12, 146,069.28 and 58,098.88 is: 80,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,853.12 : 146,069.28 = 58,098.88 : x
  2. Step 2: Convert to fraction form
    105,853.12/146,069.28 = 58,098.88/x
  3. Step 3: Cross multiply
    105,853.12x = 146,069.28 × 58,098.88
  4. Step 4: Simplify right side
    105,853.12x = 8,486,461,570.41
  5. Step 5: Solve for x
    x = 8,486,461,570.41/105,853.12
  6. Step 6: Final answer
    x = 80,172.05

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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.