Home / 189,453.79-261,444.81-104,570.83

Finding the Fourth Proportional to 189,453.79, 261,444.81 and 104,570.83

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Solution

The fourth proportional to 189,453.79, 261,444.81 and 104,570.83 is: 144,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,453.79 : 261,444.81 = 104,570.83 : x
  2. Step 2: Convert to fraction form
    189,453.79/261,444.81 = 104,570.83/x
  3. Step 3: Cross multiply
    189,453.79x = 261,444.81 × 104,570.83
  4. Step 4: Simplify right side
    189,453.79x = 27,339,500,780.89
  5. Step 5: Solve for x
    x = 27,339,500,780.89/189,453.79
  6. Step 6: Final answer
    x = 144,306.96

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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.