Home / 343,587.20-474,134.33-190,623.76

Finding the Fourth Proportional to 343,587.20, 474,134.33 and 190,623.76

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Solution

The fourth proportional to 343,587.20, 474,134.33 and 190,623.76 is: 263,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,587.20 : 474,134.33 = 190,623.76 : x
  2. Step 2: Convert to fraction form
    343,587.20/474,134.33 = 190,623.76/x
  3. Step 3: Cross multiply
    343,587.20x = 474,134.33 × 190,623.76
  4. Step 4: Simplify right side
    343,587.20x = 90,381,268,020.90
  5. Step 5: Solve for x
    x = 90,381,268,020.90/343,587.20
  6. Step 6: Final answer
    x = 263,051.91

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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.