Home / 118,474.68-163,495.40-64,760.34

Finding the Fourth Proportional to 118,474.68, 163,495.40 and 64,760.34

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Solution

The fourth proportional to 118,474.68, 163,495.40 and 64,760.34 is: 89,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,474.68 : 163,495.40 = 64,760.34 : x
  2. Step 2: Convert to fraction form
    118,474.68/163,495.40 = 64,760.34/x
  3. Step 3: Cross multiply
    118,474.68x = 163,495.40 × 64,760.34
  4. Step 4: Simplify right side
    118,474.68x = 10,588,017,692.44
  5. Step 5: Solve for x
    x = 10,588,017,692.44/118,474.68
  6. Step 6: Final answer
    x = 89,369.46

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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.