Home / 118,496.36-163,523.12-64,780.14

Finding the Fourth Proportional to 118,496.36, 163,523.12 and 64,780.14

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Solution

The fourth proportional to 118,496.36, 163,523.12 and 64,780.14 is: 89,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,496.36 : 163,523.12 = 64,780.14 : x
  2. Step 2: Convert to fraction form
    118,496.36/163,523.12 = 64,780.14/x
  3. Step 3: Cross multiply
    118,496.36x = 163,523.12 × 64,780.14
  4. Step 4: Simplify right side
    118,496.36x = 10,593,050,606.84
  5. Step 5: Solve for x
    x = 10,593,050,606.84/118,496.36
  6. Step 6: Final answer
    x = 89,395.58

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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.