Home / 118,216.44-163,138.62-75,774.93

Finding the Fourth Proportional to 118,216.44, 163,138.62 and 75,774.93

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Solution

The fourth proportional to 118,216.44, 163,138.62 and 75,774.93 is: 104,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,216.44 : 163,138.62 = 75,774.93 : x
  2. Step 2: Convert to fraction form
    118,216.44/163,138.62 = 75,774.93/x
  3. Step 3: Cross multiply
    118,216.44x = 163,138.62 × 75,774.93
  4. Step 4: Simplify right side
    118,216.44x = 12,361,817,510.80
  5. Step 5: Solve for x
    x = 12,361,817,510.80/118,216.44
  6. Step 6: Final answer
    x = 104,569.36

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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.