Home / 191,615.47-264,429.61-104,400.14

Finding the Fourth Proportional to 191,615.47, 264,429.61 and 104,400.14

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Solution

The fourth proportional to 191,615.47, 264,429.61 and 104,400.14 is: 144,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,615.47 : 264,429.61 = 104,400.14 : x
  2. Step 2: Convert to fraction form
    191,615.47/264,429.61 = 104,400.14/x
  3. Step 3: Cross multiply
    191,615.47x = 264,429.61 × 104,400.14
  4. Step 4: Simplify right side
    191,615.47x = 27,606,486,721.00
  5. Step 5: Solve for x
    x = 27,606,486,721.00/191,615.47
  6. Step 6: Final answer
    x = 144,072.33

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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.