Home / 189,162.07-261,041.94-104,279.13

Finding the Fourth Proportional to 189,162.07, 261,041.94 and 104,279.13

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Solution

The fourth proportional to 189,162.07, 261,041.94 and 104,279.13 is: 143,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,162.07 : 261,041.94 = 104,279.13 : x
  2. Step 2: Convert to fraction form
    189,162.07/261,041.94 = 104,279.13/x
  3. Step 3: Cross multiply
    189,162.07x = 261,041.94 × 104,279.13
  4. Step 4: Simplify right side
    189,162.07x = 27,221,226,396.71
  5. Step 5: Solve for x
    x = 27,221,226,396.71/189,162.07
  6. Step 6: Final answer
    x = 143,904.25

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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.