Home / 352,949.14-487,068.78-191,804.23

Finding the Fourth Proportional to 352,949.14, 487,068.78 and 191,804.23

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Solution

The fourth proportional to 352,949.14, 487,068.78 and 191,804.23 is: 264,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,949.14 : 487,068.78 = 191,804.23 : x
  2. Step 2: Convert to fraction form
    352,949.14/487,068.78 = 191,804.23/x
  3. Step 3: Cross multiply
    352,949.14x = 487,068.78 × 191,804.23
  4. Step 4: Simplify right side
    352,949.14x = 93,421,852,304.94
  5. Step 5: Solve for x
    x = 93,421,852,304.94/352,949.14
  6. Step 6: Final answer
    x = 264,689.28

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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.