Home / 356,981.80-492,632.88-195,832.72

Finding the Fourth Proportional to 356,981.80, 492,632.88 and 195,832.72

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Solution

The fourth proportional to 356,981.80, 492,632.88 and 195,832.72 is: 270,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,981.80 : 492,632.88 = 195,832.72 : x
  2. Step 2: Convert to fraction form
    356,981.80/492,632.88 = 195,832.72/x
  3. Step 3: Cross multiply
    356,981.80x = 492,632.88 × 195,832.72
  4. Step 4: Simplify right side
    356,981.80x = 96,473,636,851.83
  5. Step 5: Solve for x
    x = 96,473,636,851.83/356,981.80
  6. Step 6: Final answer
    x = 270,248.05

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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.