Home / 219,568.80-302,970.49-127,708.41

Finding the Fourth Proportional to 219,568.80, 302,970.49 and 127,708.41

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Solution

The fourth proportional to 219,568.80, 302,970.49 and 127,708.41 is: 176,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,568.80 : 302,970.49 = 127,708.41 : x
  2. Step 2: Convert to fraction form
    219,568.80/302,970.49 = 127,708.41/x
  3. Step 3: Cross multiply
    219,568.80x = 302,970.49 × 127,708.41
  4. Step 4: Simplify right side
    219,568.80x = 38,691,879,554.82
  5. Step 5: Solve for x
    x = 38,691,879,554.82/219,568.80
  6. Step 6: Final answer
    x = 176,217.57

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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.