Home / 152,890.20-229,335.30-40,570.20

Finding the Fourth Proportional to 152,890.20, 229,335.30 and 40,570.20

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Solution

The fourth proportional to 152,890.20, 229,335.30 and 40,570.20 is: 60,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,890.20 : 229,335.30 = 40,570.20 : x
  2. Step 2: Convert to fraction form
    152,890.20/229,335.30 = 40,570.20/x
  3. Step 3: Cross multiply
    152,890.20x = 229,335.30 × 40,570.20
  4. Step 4: Simplify right side
    152,890.20x = 9,304,178,988.06
  5. Step 5: Solve for x
    x = 9,304,178,988.06/152,890.20
  6. Step 6: Final answer
    x = 60,855.30

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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.