Home / 220,005.74-303,606.14-119,403.74

Finding the Fourth Proportional to 220,005.74, 303,606.14 and 119,403.74

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Solution

The fourth proportional to 220,005.74, 303,606.14 and 119,403.74 is: 164,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,005.74 : 303,606.14 = 119,403.74 : x
  2. Step 2: Convert to fraction form
    220,005.74/303,606.14 = 119,403.74/x
  3. Step 3: Cross multiply
    220,005.74x = 303,606.14 × 119,403.74
  4. Step 4: Simplify right side
    220,005.74x = 36,251,708,602.96
  5. Step 5: Solve for x
    x = 36,251,708,602.96/220,005.74
  6. Step 6: Final answer
    x = 164,776.19

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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.