Home / 118,496.19-163,528.74-64,780.14

Finding the Fourth Proportional to 118,496.19, 163,528.74 and 64,780.14

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Solution

The fourth proportional to 118,496.19, 163,528.74 and 64,780.14 is: 89,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,496.19 : 163,528.74 = 64,780.14 : x
  2. Step 2: Convert to fraction form
    118,496.19/163,528.74 = 64,780.14/x
  3. Step 3: Cross multiply
    118,496.19x = 163,528.74 × 64,780.14
  4. Step 4: Simplify right side
    118,496.19x = 10,593,414,671.22
  5. Step 5: Solve for x
    x = 10,593,414,671.22/118,496.19
  6. Step 6: Final answer
    x = 89,398.78

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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.