Home / 185,816.04-256,284.86-128,550.66

Finding the Fourth Proportional to 185,816.04, 256,284.86 and 128,550.66

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Solution

The fourth proportional to 185,816.04, 256,284.86 and 128,550.66 is: 177,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,816.04 : 256,284.86 = 128,550.66 : x
  2. Step 2: Convert to fraction form
    185,816.04/256,284.86 = 128,550.66/x
  3. Step 3: Cross multiply
    185,816.04x = 256,284.86 × 128,550.66
  4. Step 4: Simplify right side
    185,816.04x = 32,945,587,258.25
  5. Step 5: Solve for x
    x = 32,945,587,258.25/185,816.04
  6. Step 6: Final answer
    x = 177,302.17

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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.