Home / 236,136.23-325,865.13-128,705.93

Finding the Fourth Proportional to 236,136.23, 325,865.13 and 128,705.93

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Solution

The fourth proportional to 236,136.23, 325,865.13 and 128,705.93 is: 177,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,136.23 : 325,865.13 = 128,705.93 : x
  2. Step 2: Convert to fraction form
    236,136.23/325,865.13 = 128,705.93/x
  3. Step 3: Cross multiply
    236,136.23x = 325,865.13 × 128,705.93
  4. Step 4: Simplify right side
    236,136.23x = 41,940,774,611.22
  5. Step 5: Solve for x
    x = 41,940,774,611.22/236,136.23
  6. Step 6: Final answer
    x = 177,612.62

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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.