Home / 152,020.18-209,788.13-84,952.18

Finding the Fourth Proportional to 152,020.18, 209,788.13 and 84,952.18

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Solution

The fourth proportional to 152,020.18, 209,788.13 and 84,952.18 is: 117,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,020.18 : 209,788.13 = 84,952.18 : x
  2. Step 2: Convert to fraction form
    152,020.18/209,788.13 = 84,952.18/x
  3. Step 3: Cross multiply
    152,020.18x = 209,788.13 × 84,952.18
  4. Step 4: Simplify right side
    152,020.18x = 17,821,958,981.62
  5. Step 5: Solve for x
    x = 17,821,958,981.62/152,020.18
  6. Step 6: Final answer
    x = 117,234.17

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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.