Home / 118,623.42-163,684.20-70,866.66

Finding the Fourth Proportional to 118,623.42, 163,684.20 and 70,866.66

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Solution

The fourth proportional to 118,623.42, 163,684.20 and 70,866.66 is: 97,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623.42 : 163,684.20 = 70,866.66 : x
  2. Step 2: Convert to fraction form
    118,623.42/163,684.20 = 70,866.66/x
  3. Step 3: Cross multiply
    118,623.42x = 163,684.20 × 70,866.66
  4. Step 4: Simplify right side
    118,623.42x = 11,599,752,548.77
  5. Step 5: Solve for x
    x = 11,599,752,548.77/118,623.42
  6. Step 6: Final answer
    x = 97,786.36

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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.