Home / 282,741.48-390,201.66-175,382.82

Finding the Fourth Proportional to 282,741.48, 390,201.66 and 175,382.82

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Solution

The fourth proportional to 282,741.48, 390,201.66 and 175,382.82 is: 242,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,741.48 : 390,201.66 = 175,382.82 : x
  2. Step 2: Convert to fraction form
    282,741.48/390,201.66 = 175,382.82/x
  3. Step 3: Cross multiply
    282,741.48x = 390,201.66 × 175,382.82
  4. Step 4: Simplify right side
    282,741.48x = 68,434,667,499.48
  5. Step 5: Solve for x
    x = 68,434,667,499.48/282,741.48
  6. Step 6: Final answer
    x = 242,039.72

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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.