Home / 133,595.19-184,486.23-85,931.28

Finding the Fourth Proportional to 133,595.19, 184,486.23 and 85,931.28

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Solution

The fourth proportional to 133,595.19, 184,486.23 and 85,931.28 is: 118,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,595.19 : 184,486.23 = 85,931.28 : x
  2. Step 2: Convert to fraction form
    133,595.19/184,486.23 = 85,931.28/x
  3. Step 3: Cross multiply
    133,595.19x = 184,486.23 × 85,931.28
  4. Step 4: Simplify right side
    133,595.19x = 15,853,137,886.27
  5. Step 5: Solve for x
    x = 15,853,137,886.27/133,595.19
  6. Step 6: Final answer
    x = 118,665.48

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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.