Home / 185,858.94-278,746.38-85,964.32

Finding the Fourth Proportional to 185,858.94, 278,746.38 and 85,964.32

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Solution

The fourth proportional to 185,858.94, 278,746.38 and 85,964.32 is: 128,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858.94 : 278,746.38 = 85,964.32 : x
  2. Step 2: Convert to fraction form
    185,858.94/278,746.38 = 85,964.32/x
  3. Step 3: Cross multiply
    185,858.94x = 278,746.38 × 85,964.32
  4. Step 4: Simplify right side
    185,858.94x = 23,962,243,009.16
  5. Step 5: Solve for x
    x = 23,962,243,009.16/185,858.94
  6. Step 6: Final answer
    x = 128,927.04

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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.