Home / 282,962.25-390,543.38-162,184.49

Finding the Fourth Proportional to 282,962.25, 390,543.38 and 162,184.49

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Solution

The fourth proportional to 282,962.25, 390,543.38 and 162,184.49 is: 223,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,962.25 : 390,543.38 = 162,184.49 : x
  2. Step 2: Convert to fraction form
    282,962.25/390,543.38 = 162,184.49/x
  3. Step 3: Cross multiply
    282,962.25x = 390,543.38 × 162,184.49
  4. Step 4: Simplify right side
    282,962.25x = 63,340,078,908.18
  5. Step 5: Solve for x
    x = 63,340,078,908.18/282,962.25
  6. Step 6: Final answer
    x = 223,846.39

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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.