Home / 118,193.73-163,050.75-79,966.59

Finding the Fourth Proportional to 118,193.73, 163,050.75 and 79,966.59

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Solution

The fourth proportional to 118,193.73, 163,050.75 and 79,966.59 is: 110,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,193.73 : 163,050.75 = 79,966.59 : x
  2. Step 2: Convert to fraction form
    118,193.73/163,050.75 = 79,966.59/x
  3. Step 3: Cross multiply
    118,193.73x = 163,050.75 × 79,966.59
  4. Step 4: Simplify right side
    118,193.73x = 13,038,612,474.44
  5. Step 5: Solve for x
    x = 13,038,612,474.44/118,193.73
  6. Step 6: Final answer
    x = 110,315.60

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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.