Home / 134,482.23-185,579.49-77,080.40

Finding the Fourth Proportional to 134,482.23, 185,579.49 and 77,080.40

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Solution

The fourth proportional to 134,482.23, 185,579.49 and 77,080.40 is: 106,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,482.23 : 185,579.49 = 77,080.40 : x
  2. Step 2: Convert to fraction form
    134,482.23/185,579.49 = 77,080.40/x
  3. Step 3: Cross multiply
    134,482.23x = 185,579.49 × 77,080.40
  4. Step 4: Simplify right side
    134,482.23x = 14,304,541,784.94
  5. Step 5: Solve for x
    x = 14,304,541,784.94/134,482.23
  6. Step 6: Final answer
    x = 106,367.52

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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.