Home / 192,152.76-265,175.28-120,535.80

Finding the Fourth Proportional to 192,152.76, 265,175.28 and 120,535.80

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Solution

The fourth proportional to 192,152.76, 265,175.28 and 120,535.80 is: 166,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,152.76 : 265,175.28 = 120,535.80 : x
  2. Step 2: Convert to fraction form
    192,152.76/265,175.28 = 120,535.80/x
  3. Step 3: Cross multiply
    192,152.76x = 265,175.28 × 120,535.80
  4. Step 4: Simplify right side
    192,152.76x = 31,963,114,515.02
  5. Step 5: Solve for x
    x = 31,963,114,515.02/192,152.76
  6. Step 6: Final answer
    x = 166,342.21

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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.