Home / 148,584.35-222,482.86-78,316.04

Finding the Fourth Proportional to 148,584.35, 222,482.86 and 78,316.04

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Solution

The fourth proportional to 148,584.35, 222,482.86 and 78,316.04 is: 117,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,584.35 : 222,482.86 = 78,316.04 : x
  2. Step 2: Convert to fraction form
    148,584.35/222,482.86 = 78,316.04/x
  3. Step 3: Cross multiply
    148,584.35x = 222,482.86 × 78,316.04
  4. Step 4: Simplify right side
    148,584.35x = 17,423,976,563.07
  5. Step 5: Solve for x
    x = 17,423,976,563.07/148,584.35
  6. Step 6: Final answer
    x = 117,266.57

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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.