Home / 282,943.20-390,330.72-169,569.12

Finding the Fourth Proportional to 282,943.20, 390,330.72 and 169,569.12

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Solution

The fourth proportional to 282,943.20, 390,330.72 and 169,569.12 is: 233,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,943.20 : 390,330.72 = 169,569.12 : x
  2. Step 2: Convert to fraction form
    282,943.20/390,330.72 = 169,569.12/x
  3. Step 3: Cross multiply
    282,943.20x = 390,330.72 × 169,569.12
  4. Step 4: Simplify right side
    282,943.20x = 66,188,036,699.37
  5. Step 5: Solve for x
    x = 66,188,036,699.37/282,943.20
  6. Step 6: Final answer
    x = 233,926.94

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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.