Home / 191,618.34-264,422.82-105,574.28

Finding the Fourth Proportional to 191,618.34, 264,422.82 and 105,574.28

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Solution

The fourth proportional to 191,618.34, 264,422.82 and 105,574.28 is: 145,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,618.34 : 264,422.82 = 105,574.28 : x
  2. Step 2: Convert to fraction form
    191,618.34/264,422.82 = 105,574.28/x
  3. Step 3: Cross multiply
    191,618.34x = 264,422.82 × 105,574.28
  4. Step 4: Simplify right side
    191,618.34x = 27,916,247,514.96
  5. Step 5: Solve for x
    x = 27,916,247,514.96/191,618.34
  6. Step 6: Final answer
    x = 145,686.72

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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.