Home / 149,792.36-206,714.86-85,258.44

Finding the Fourth Proportional to 149,792.36, 206,714.86 and 85,258.44

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Solution

The fourth proportional to 149,792.36, 206,714.86 and 85,258.44 is: 117,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,792.36 : 206,714.86 = 85,258.44 : x
  2. Step 2: Convert to fraction form
    149,792.36/206,714.86 = 85,258.44/x
  3. Step 3: Cross multiply
    149,792.36x = 206,714.86 × 85,258.44
  4. Step 4: Simplify right side
    149,792.36x = 17,624,186,488.42
  5. Step 5: Solve for x
    x = 17,624,186,488.42/149,792.36
  6. Step 6: Final answer
    x = 117,657.45

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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.