Home / 371,703.12-557,589.24-105,470.16

Finding the Fourth Proportional to 371,703.12, 557,589.24 and 105,470.16

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Solution

The fourth proportional to 371,703.12, 557,589.24 and 105,470.16 is: 158,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,703.12 : 557,589.24 = 105,470.16 : x
  2. Step 2: Convert to fraction form
    371,703.12/557,589.24 = 105,470.16/x
  3. Step 3: Cross multiply
    371,703.12x = 557,589.24 × 105,470.16
  4. Step 4: Simplify right side
    371,703.12x = 58,809,026,357.08
  5. Step 5: Solve for x
    x = 58,809,026,357.08/371,703.12
  6. Step 6: Final answer
    x = 158,215.05

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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.