Home / 118,375.41-163,355.37-64,660.66

Finding the Fourth Proportional to 118,375.41, 163,355.37 and 64,660.66

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Solution

The fourth proportional to 118,375.41, 163,355.37 and 64,660.66 is: 89,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.41 : 163,355.37 = 64,660.66 : x
  2. Step 2: Convert to fraction form
    118,375.41/163,355.37 = 64,660.66/x
  3. Step 3: Cross multiply
    118,375.41x = 163,355.37 × 64,660.66
  4. Step 4: Simplify right side
    118,375.41x = 10,562,666,038.74
  5. Step 5: Solve for x
    x = 10,562,666,038.74/118,375.41
  6. Step 6: Final answer
    x = 89,230.24

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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.