Home / 118,145.04-163,040.44-67,158.10

Finding the Fourth Proportional to 118,145.04, 163,040.44 and 67,158.10

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Solution

The fourth proportional to 118,145.04, 163,040.44 and 67,158.10 is: 92,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,145.04 : 163,040.44 = 67,158.10 : x
  2. Step 2: Convert to fraction form
    118,145.04/163,040.44 = 67,158.10/x
  3. Step 3: Cross multiply
    118,145.04x = 163,040.44 × 67,158.10
  4. Step 4: Simplify right side
    118,145.04x = 10,949,486,173.56
  5. Step 5: Solve for x
    x = 10,949,486,173.56/118,145.04
  6. Step 6: Final answer
    x = 92,678.34

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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.