Home / 118,561.35-163,604.76-66,875.59

Finding the Fourth Proportional to 118,561.35, 163,604.76 and 66,875.59

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Solution

The fourth proportional to 118,561.35, 163,604.76 and 66,875.59 is: 92,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,561.35 : 163,604.76 = 66,875.59 : x
  2. Step 2: Convert to fraction form
    118,561.35/163,604.76 = 66,875.59/x
  3. Step 3: Cross multiply
    118,561.35x = 163,604.76 × 66,875.59
  4. Step 4: Simplify right side
    118,561.35x = 10,941,164,851.81
  5. Step 5: Solve for x
    x = 10,941,164,851.81/118,561.35
  6. Step 6: Final answer
    x = 92,282.73

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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.