Home / 118,300.80-163,233.60-70,556.80

Finding the Fourth Proportional to 118,300.80, 163,233.60 and 70,556.80

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Solution

The fourth proportional to 118,300.80, 163,233.60 and 70,556.80 is: 97,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,300.80 : 163,233.60 = 70,556.80 : x
  2. Step 2: Convert to fraction form
    118,300.80/163,233.60 = 70,556.80/x
  3. Step 3: Cross multiply
    118,300.80x = 163,233.60 × 70,556.80
  4. Step 4: Simplify right side
    118,300.80x = 11,517,240,468.48
  5. Step 5: Solve for x
    x = 11,517,240,468.48/118,300.80
  6. Step 6: Final answer
    x = 97,355.56

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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.