Home / 118,165.80-177,136.58-47,132.12

Finding the Fourth Proportional to 118,165.80, 177,136.58 and 47,132.12

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Solution

The fourth proportional to 118,165.80, 177,136.58 and 47,132.12 is: 70,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,165.80 : 177,136.58 = 47,132.12 : x
  2. Step 2: Convert to fraction form
    118,165.80/177,136.58 = 47,132.12/x
  3. Step 3: Cross multiply
    118,165.80x = 177,136.58 × 47,132.12
  4. Step 4: Simplify right side
    118,165.80x = 8,348,822,544.95
  5. Step 5: Solve for x
    x = 8,348,822,544.95/118,165.80
  6. Step 6: Final answer
    x = 70,653.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.