Home / 109,622.16-151,252.92-64,297.80

Finding the Fourth Proportional to 109,622.16, 151,252.92 and 64,297.80

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Solution

The fourth proportional to 109,622.16, 151,252.92 and 64,297.80 is: 88,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622.16 : 151,252.92 = 64,297.80 : x
  2. Step 2: Convert to fraction form
    109,622.16/151,252.92 = 64,297.80/x
  3. Step 3: Cross multiply
    109,622.16x = 151,252.92 × 64,297.80
  4. Step 4: Simplify right side
    109,622.16x = 9,725,229,999.58
  5. Step 5: Solve for x
    x = 9,725,229,999.58/109,622.16
  6. Step 6: Final answer
    x = 88,715.91

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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.