Home / 282,943.77-390,623.85-187,579.62

Finding the Fourth Proportional to 282,943.77, 390,623.85 and 187,579.62

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Solution

The fourth proportional to 282,943.77, 390,623.85 and 187,579.62 is: 258,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,943.77 : 390,623.85 = 187,579.62 : x
  2. Step 2: Convert to fraction form
    282,943.77/390,623.85 = 187,579.62/x
  3. Step 3: Cross multiply
    282,943.77x = 390,623.85 × 187,579.62
  4. Step 4: Simplify right side
    282,943.77x = 73,273,073,345.94
  5. Step 5: Solve for x
    x = 73,273,073,345.94/282,943.77
  6. Step 6: Final answer
    x = 258,966.91

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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.