Home / 282,663.91-390,053.37-161,777.62

Finding the Fourth Proportional to 282,663.91, 390,053.37 and 161,777.62

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Solution

The fourth proportional to 282,663.91, 390,053.37 and 161,777.62 is: 223,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,663.91 : 390,053.37 = 161,777.62 : x
  2. Step 2: Convert to fraction form
    282,663.91/390,053.37 = 161,777.62/x
  3. Step 3: Cross multiply
    282,663.91x = 390,053.37 × 161,777.62
  4. Step 4: Simplify right side
    282,663.91x = 63,101,905,871.58
  5. Step 5: Solve for x
    x = 63,101,905,871.58/282,663.91
  6. Step 6: Final answer
    x = 223,240.05

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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.