Home / 189,513.14-261,216.56-134,340.93

Finding the Fourth Proportional to 189,513.14, 261,216.56 and 134,340.93

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Solution

The fourth proportional to 189,513.14, 261,216.56 and 134,340.93 is: 185,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,513.14 : 261,216.56 = 134,340.93 : x
  2. Step 2: Convert to fraction form
    189,513.14/261,216.56 = 134,340.93/x
  3. Step 3: Cross multiply
    189,513.14x = 261,216.56 × 134,340.93
  4. Step 4: Simplify right side
    189,513.14x = 35,092,075,937.65
  5. Step 5: Solve for x
    x = 35,092,075,937.65/189,513.14
  6. Step 6: Final answer
    x = 185,169.62

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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.