Home / 133,975.19-184,847.88-86,256.16

Finding the Fourth Proportional to 133,975.19, 184,847.88 and 86,256.16

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Solution

The fourth proportional to 133,975.19, 184,847.88 and 86,256.16 is: 119,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,975.19 : 184,847.88 = 86,256.16 : x
  2. Step 2: Convert to fraction form
    133,975.19/184,847.88 = 86,256.16/x
  3. Step 3: Cross multiply
    133,975.19x = 184,847.88 × 86,256.16
  4. Step 4: Simplify right side
    133,975.19x = 15,944,268,312.94
  5. Step 5: Solve for x
    x = 15,944,268,312.94/133,975.19
  6. Step 6: Final answer
    x = 119,009.11

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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.