Home / 118,266.06-163,207.32-75,824.59

Finding the Fourth Proportional to 118,266.06, 163,207.32 and 75,824.59

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Solution

The fourth proportional to 118,266.06, 163,207.32 and 75,824.59 is: 104,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.06 : 163,207.32 = 75,824.59 : x
  2. Step 2: Convert to fraction form
    118,266.06/163,207.32 = 75,824.59/x
  3. Step 3: Cross multiply
    118,266.06x = 163,207.32 × 75,824.59
  4. Step 4: Simplify right side
    118,266.06x = 12,375,128,124.00
  5. Step 5: Solve for x
    x = 12,375,128,124.00/118,266.06
  6. Step 6: Final answer
    x = 104,638.03

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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.