Home / 185,151.39-277,252.70-128,146.32

Finding the Fourth Proportional to 185,151.39, 277,252.70 and 128,146.32

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Solution

The fourth proportional to 185,151.39, 277,252.70 and 128,146.32 is: 191,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,151.39 : 277,252.70 = 128,146.32 : x
  2. Step 2: Convert to fraction form
    185,151.39/277,252.70 = 128,146.32/x
  3. Step 3: Cross multiply
    185,151.39x = 277,252.70 × 128,146.32
  4. Step 4: Simplify right side
    185,151.39x = 35,528,912,574.33
  5. Step 5: Solve for x
    x = 35,528,912,574.33/185,151.39
  6. Step 6: Final answer
    x = 191,891.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.