Home / 352,928.30-487,040.70-191,782.98

Finding the Fourth Proportional to 352,928.30, 487,040.70 and 191,782.98

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Solution

The fourth proportional to 352,928.30, 487,040.70 and 191,782.98 is: 264,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,928.30 : 487,040.70 = 191,782.98 : x
  2. Step 2: Convert to fraction form
    352,928.30/487,040.70 = 191,782.98/x
  3. Step 3: Cross multiply
    352,928.30x = 487,040.70 × 191,782.98
  4. Step 4: Simplify right side
    352,928.30x = 93,406,116,827.29
  5. Step 5: Solve for x
    x = 93,406,116,827.29/352,928.30
  6. Step 6: Final answer
    x = 264,660.32

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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.