Home / 118,270-163,219.26-67,972.24

Finding the Fourth Proportional to 118,270, 163,219.26 and 67,972.24

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Solution

The fourth proportional to 118,270, 163,219.26 and 67,972.24 is: 93,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,270 : 163,219.26 = 67,972.24 : x
  2. Step 2: Convert to fraction form
    118,270/163,219.26 = 67,972.24/x
  3. Step 3: Cross multiply
    118,270x = 163,219.26 × 67,972.24
  4. Step 4: Simplify right side
    118,270x = 11,094,378,713.34
  5. Step 5: Solve for x
    x = 11,094,378,713.34/118,270
  6. Step 6: Final answer
    x = 93,805.52

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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.