Home / 282,154.63-389,373.18-161,298.58

Finding the Fourth Proportional to 282,154.63, 389,373.18 and 161,298.58

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Solution

The fourth proportional to 282,154.63, 389,373.18 and 161,298.58 is: 222,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,154.63 : 389,373.18 = 161,298.58 : x
  2. Step 2: Convert to fraction form
    282,154.63/389,373.18 = 161,298.58/x
  3. Step 3: Cross multiply
    282,154.63x = 389,373.18 × 161,298.58
  4. Step 4: Simplify right side
    282,154.63x = 62,805,341,024.08
  5. Step 5: Solve for x
    x = 62,805,341,024.08/282,154.63
  6. Step 6: Final answer
    x = 222,591.92

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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.