Home / 382,275.78-573,482.79-157,511.18

Finding the Fourth Proportional to 382,275.78, 573,482.79 and 157,511.18

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Solution

The fourth proportional to 382,275.78, 573,482.79 and 157,511.18 is: 236,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,275.78 : 573,482.79 = 157,511.18 : x
  2. Step 2: Convert to fraction form
    382,275.78/573,482.79 = 157,511.18/x
  3. Step 3: Cross multiply
    382,275.78x = 573,482.79 × 157,511.18
  4. Step 4: Simplify right side
    382,275.78x = 90,329,948,095.18
  5. Step 5: Solve for x
    x = 90,329,948,095.18/382,275.78
  6. Step 6: Final answer
    x = 236,295.24

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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.