Home / 191,324.47-264,030.20-105,293.36

Finding the Fourth Proportional to 191,324.47, 264,030.20 and 105,293.36

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Solution

The fourth proportional to 191,324.47, 264,030.20 and 105,293.36 is: 145,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,324.47 : 264,030.20 = 105,293.36 : x
  2. Step 2: Convert to fraction form
    191,324.47/264,030.20 = 105,293.36/x
  3. Step 3: Cross multiply
    191,324.47x = 264,030.20 × 105,293.36
  4. Step 4: Simplify right side
    191,324.47x = 27,800,626,899.47
  5. Step 5: Solve for x
    x = 27,800,626,899.47/191,324.47
  6. Step 6: Final answer
    x = 145,306.17

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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.