Home / 184,867.68-255,117.84-99,985.56

Finding the Fourth Proportional to 184,867.68, 255,117.84 and 99,985.56

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Solution

The fourth proportional to 184,867.68, 255,117.84 and 99,985.56 is: 137,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,867.68 : 255,117.84 = 99,985.56 : x
  2. Step 2: Convert to fraction form
    184,867.68/255,117.84 = 99,985.56/x
  3. Step 3: Cross multiply
    184,867.68x = 255,117.84 × 99,985.56
  4. Step 4: Simplify right side
    184,867.68x = 25,508,100,098.39
  5. Step 5: Solve for x
    x = 25,508,100,098.39/184,867.68
  6. Step 6: Final answer
    x = 137,980.31

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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.