Home / 236,088.06-325,792.04-128,655.80

Finding the Fourth Proportional to 236,088.06, 325,792.04 and 128,655.80

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Solution

The fourth proportional to 236,088.06, 325,792.04 and 128,655.80 is: 177,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,088.06 : 325,792.04 = 128,655.80 : x
  2. Step 2: Convert to fraction form
    236,088.06/325,792.04 = 128,655.80/x
  3. Step 3: Cross multiply
    236,088.06x = 325,792.04 × 128,655.80
  4. Step 4: Simplify right side
    236,088.06x = 41,915,035,539.83
  5. Step 5: Solve for x
    x = 41,915,035,539.83/236,088.06
  6. Step 6: Final answer
    x = 177,539.84

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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.