Home / 118,181.13-163,087.18-64,466.56

Finding the Fourth Proportional to 118,181.13, 163,087.18 and 64,466.56

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Solution

The fourth proportional to 118,181.13, 163,087.18 and 64,466.56 is: 88,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,181.13 : 163,087.18 = 64,466.56 : x
  2. Step 2: Convert to fraction form
    118,181.13/163,087.18 = 64,466.56/x
  3. Step 3: Cross multiply
    118,181.13x = 163,087.18 × 64,466.56
  4. Step 4: Simplify right side
    118,181.13x = 10,513,669,474.70
  5. Step 5: Solve for x
    x = 10,513,669,474.70/118,181.13
  6. Step 6: Final answer
    x = 88,962.34

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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.