Home / 118,704.33-163,812.45-64,994.34

Finding the Fourth Proportional to 118,704.33, 163,812.45 and 64,994.34

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Solution

The fourth proportional to 118,704.33, 163,812.45 and 64,994.34 is: 89,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,704.33 : 163,812.45 = 64,994.34 : x
  2. Step 2: Convert to fraction form
    118,704.33/163,812.45 = 64,994.34/x
  3. Step 3: Cross multiply
    118,704.33x = 163,812.45 × 64,994.34
  4. Step 4: Simplify right side
    118,704.33x = 10,646,882,071.53
  5. Step 5: Solve for x
    x = 10,646,882,071.53/118,704.33
  6. Step 6: Final answer
    x = 89,692.45

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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.