Home / 183,736.80-275,605.20-78,566.40

Finding the Fourth Proportional to 183,736.80, 275,605.20 and 78,566.40

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Solution

The fourth proportional to 183,736.80, 275,605.20 and 78,566.40 is: 117,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,736.80 : 275,605.20 = 78,566.40 : x
  2. Step 2: Convert to fraction form
    183,736.80/275,605.20 = 78,566.40/x
  3. Step 3: Cross multiply
    183,736.80x = 275,605.20 × 78,566.40
  4. Step 4: Simplify right side
    183,736.80x = 21,653,308,385.28
  5. Step 5: Solve for x
    x = 21,653,308,385.28/183,736.80
  6. Step 6: Final answer
    x = 117,849.60

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1.5x scale

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.