Home / 189,215.83-261,117.57-104,333.10

Finding the Fourth Proportional to 189,215.83, 261,117.57 and 104,333.10

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Solution

The fourth proportional to 189,215.83, 261,117.57 and 104,333.10 is: 143,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,215.83 : 261,117.57 = 104,333.10 : x
  2. Step 2: Convert to fraction form
    189,215.83/261,117.57 = 104,333.10/x
  3. Step 3: Cross multiply
    189,215.83x = 261,117.57 × 104,333.10
  4. Step 4: Simplify right side
    189,215.83x = 27,243,205,542.57
  5. Step 5: Solve for x
    x = 27,243,205,542.57/189,215.83
  6. Step 6: Final answer
    x = 143,979.53

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1.5x scale

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.