Home / 186,731.10-278,905.98-168,934.32

Finding the Fourth Proportional to 186,731.10, 278,905.98 and 168,934.32

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Solution

The fourth proportional to 186,731.10, 278,905.98 and 168,934.32 is: 252,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,731.10 : 278,905.98 = 168,934.32 : x
  2. Step 2: Convert to fraction form
    186,731.10/278,905.98 = 168,934.32/x
  3. Step 3: Cross multiply
    186,731.10x = 278,905.98 × 168,934.32
  4. Step 4: Simplify right side
    186,731.10x = 47,116,792,075.23
  5. Step 5: Solve for x
    x = 47,116,792,075.23/186,731.10
  6. Step 6: Final answer
    x = 252,324.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.