Home / 118,438.02-163,461.14-75,403.76

Finding the Fourth Proportional to 118,438.02, 163,461.14 and 75,403.76

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Solution

The fourth proportional to 118,438.02, 163,461.14 and 75,403.76 is: 104,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,438.02 : 163,461.14 = 75,403.76 : x
  2. Step 2: Convert to fraction form
    118,438.02/163,461.14 = 75,403.76/x
  3. Step 3: Cross multiply
    118,438.02x = 163,461.14 × 75,403.76
  4. Step 4: Simplify right side
    118,438.02x = 12,325,584,993.41
  5. Step 5: Solve for x
    x = 12,325,584,993.41/118,438.02
  6. Step 6: Final answer
    x = 104,067.81

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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.