Home / 184,867.36-255,116.94-99,984.40

Finding the Fourth Proportional to 184,867.36, 255,116.94 and 99,984.40

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Solution

The fourth proportional to 184,867.36, 255,116.94 and 99,984.40 is: 137,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,867.36 : 255,116.94 = 99,984.40 : x
  2. Step 2: Convert to fraction form
    184,867.36/255,116.94 = 99,984.40/x
  3. Step 3: Cross multiply
    184,867.36x = 255,116.94 × 99,984.40
  4. Step 4: Simplify right side
    184,867.36x = 25,507,714,175.74
  5. Step 5: Solve for x
    x = 25,507,714,175.74/184,867.36
  6. Step 6: Final answer
    x = 137,978.46

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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.