Home / 149,515.20-206,323.20-92,925.36

Finding the Fourth Proportional to 149,515.20, 206,323.20 and 92,925.36

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Solution

The fourth proportional to 149,515.20, 206,323.20 and 92,925.36 is: 128,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,515.20 : 206,323.20 = 92,925.36 : x
  2. Step 2: Convert to fraction form
    149,515.20/206,323.20 = 92,925.36/x
  3. Step 3: Cross multiply
    149,515.20x = 206,323.20 × 92,925.36
  4. Step 4: Simplify right side
    149,515.20x = 19,172,657,636.35
  5. Step 5: Solve for x
    x = 19,172,657,636.35/149,515.20
  6. Step 6: Final answer
    x = 128,232.16

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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.