Home / 221,233.32-332,182.28-126,570.40

Finding the Fourth Proportional to 221,233.32, 332,182.28 and 126,570.40

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Solution

The fourth proportional to 221,233.32, 332,182.28 and 126,570.40 is: 190,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,233.32 : 332,182.28 = 126,570.40 : x
  2. Step 2: Convert to fraction form
    221,233.32/332,182.28 = 126,570.40/x
  3. Step 3: Cross multiply
    221,233.32x = 332,182.28 × 126,570.40
  4. Step 4: Simplify right side
    221,233.32x = 42,044,444,052.51
  5. Step 5: Solve for x
    x = 42,044,444,052.51/221,233.32
  6. Step 6: Final answer
    x = 190,045.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.