Home / 186,456.04-279,573.42-74,075.92

Finding the Fourth Proportional to 186,456.04, 279,573.42 and 74,075.92

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Solution

The fourth proportional to 186,456.04, 279,573.42 and 74,075.92 is: 111,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,456.04 : 279,573.42 = 74,075.92 : x
  2. Step 2: Convert to fraction form
    186,456.04/279,573.42 = 74,075.92/x
  3. Step 3: Cross multiply
    186,456.04x = 279,573.42 × 74,075.92
  4. Step 4: Simplify right side
    186,456.04x = 20,709,658,294.05
  5. Step 5: Solve for x
    x = 20,709,658,294.05/186,456.04
  6. Step 6: Final answer
    x = 111,069.92

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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.