Home / 282,014.76-389,126.52-161,194.35

Finding the Fourth Proportional to 282,014.76, 389,126.52 and 161,194.35

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Solution

The fourth proportional to 282,014.76, 389,126.52 and 161,194.35 is: 222,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,014.76 : 389,126.52 = 161,194.35 : x
  2. Step 2: Convert to fraction form
    282,014.76/389,126.52 = 161,194.35/x
  3. Step 3: Cross multiply
    282,014.76x = 389,126.52 × 161,194.35
  4. Step 4: Simplify right side
    282,014.76x = 62,724,996,459.16
  5. Step 5: Solve for x
    x = 62,724,996,459.16/282,014.76
  6. Step 6: Final answer
    x = 222,417.42

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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.