Home / 189,001.03-260,821.88-104,119.51

Finding the Fourth Proportional to 189,001.03, 260,821.88 and 104,119.51

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Solution

The fourth proportional to 189,001.03, 260,821.88 and 104,119.51 is: 143,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,001.03 : 260,821.88 = 104,119.51 : x
  2. Step 2: Convert to fraction form
    189,001.03/260,821.88 = 104,119.51/x
  3. Step 3: Cross multiply
    189,001.03x = 260,821.88 × 104,119.51
  4. Step 4: Simplify right side
    189,001.03x = 27,156,646,342.88
  5. Step 5: Solve for x
    x = 27,156,646,342.88/189,001.03
  6. Step 6: Final answer
    x = 143,685.18

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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.