Home / 118,334.34-163,302.24-64,619.76

Finding the Fourth Proportional to 118,334.34, 163,302.24 and 64,619.76

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Solution

The fourth proportional to 118,334.34, 163,302.24 and 64,619.76 is: 89,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334.34 : 163,302.24 = 64,619.76 : x
  2. Step 2: Convert to fraction form
    118,334.34/163,302.24 = 64,619.76/x
  3. Step 3: Cross multiply
    118,334.34x = 163,302.24 × 64,619.76
  4. Step 4: Simplify right side
    118,334.34x = 10,552,551,556.26
  5. Step 5: Solve for x
    x = 10,552,551,556.26/118,334.34
  6. Step 6: Final answer
    x = 89,175.73

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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.