Home / 118,834.02-163,995.46-67,855.05

Finding the Fourth Proportional to 118,834.02, 163,995.46 and 67,855.05

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Solution

The fourth proportional to 118,834.02, 163,995.46 and 67,855.05 is: 93,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,834.02 : 163,995.46 = 67,855.05 : x
  2. Step 2: Convert to fraction form
    118,834.02/163,995.46 = 67,855.05/x
  3. Step 3: Cross multiply
    118,834.02x = 163,995.46 × 67,855.05
  4. Step 4: Simplify right side
    118,834.02x = 11,127,919,968.44
  5. Step 5: Solve for x
    x = 11,127,919,968.44/118,834.02
  6. Step 6: Final answer
    x = 93,642.54

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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.