Home / 282,865.23-390,364.52-169,666.11

Finding the Fourth Proportional to 282,865.23, 390,364.52 and 169,666.11

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Solution

The fourth proportional to 282,865.23, 390,364.52 and 169,666.11 is: 234,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,865.23 : 390,364.52 = 169,666.11 : x
  2. Step 2: Convert to fraction form
    282,865.23/390,364.52 = 169,666.11/x
  3. Step 3: Cross multiply
    282,865.23x = 390,364.52 × 169,666.11
  4. Step 4: Simplify right side
    282,865.23x = 66,231,628,742.09
  5. Step 5: Solve for x
    x = 66,231,628,742.09/282,865.23
  6. Step 6: Final answer
    x = 234,145.53

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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.