Home / 184,867.36-255,117.12-99,984.42

Finding the Fourth Proportional to 184,867.36, 255,117.12 and 99,984.42

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Solution

The fourth proportional to 184,867.36, 255,117.12 and 99,984.42 is: 137,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,867.36 : 255,117.12 = 99,984.42 : x
  2. Step 2: Convert to fraction form
    184,867.36/255,117.12 = 99,984.42/x
  3. Step 3: Cross multiply
    184,867.36x = 255,117.12 × 99,984.42
  4. Step 4: Simplify right side
    184,867.36x = 25,507,736,637.48
  5. Step 5: Solve for x
    x = 25,507,736,637.48/184,867.36
  6. Step 6: Final answer
    x = 137,978.59

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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.