Home / 353,111.19-487,302.98-191,977.28

Finding the Fourth Proportional to 353,111.19, 487,302.98 and 191,977.28

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Solution

The fourth proportional to 353,111.19, 487,302.98 and 191,977.28 is: 264,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,111.19 : 487,302.98 = 191,977.28 : x
  2. Step 2: Convert to fraction form
    353,111.19/487,302.98 = 191,977.28/x
  3. Step 3: Cross multiply
    353,111.19x = 487,302.98 × 191,977.28
  4. Step 4: Simplify right side
    353,111.19x = 93,551,100,636.29
  5. Step 5: Solve for x
    x = 93,551,100,636.29/353,111.19
  6. Step 6: Final answer
    x = 264,933.83

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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.