Home / 127,698.24-176,221.89-70,336.47

Finding the Fourth Proportional to 127,698.24, 176,221.89 and 70,336.47

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Solution

The fourth proportional to 127,698.24, 176,221.89 and 70,336.47 is: 97,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,698.24 : 176,221.89 = 70,336.47 : x
  2. Step 2: Convert to fraction form
    127,698.24/176,221.89 = 70,336.47/x
  3. Step 3: Cross multiply
    127,698.24x = 176,221.89 × 70,336.47
  4. Step 4: Simplify right side
    127,698.24x = 12,394,825,679.33
  5. Step 5: Solve for x
    x = 12,394,825,679.33/127,698.24
  6. Step 6: Final answer
    x = 97,063.40

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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.