Home / 133,756.79-184,554.05-90,742.14

Finding the Fourth Proportional to 133,756.79, 184,554.05 and 90,742.14

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Solution

The fourth proportional to 133,756.79, 184,554.05 and 90,742.14 is: 125,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,756.79 : 184,554.05 = 90,742.14 : x
  2. Step 2: Convert to fraction form
    133,756.79/184,554.05 = 90,742.14/x
  3. Step 3: Cross multiply
    133,756.79x = 184,554.05 × 90,742.14
  4. Step 4: Simplify right side
    133,756.79x = 16,746,828,988.96
  5. Step 5: Solve for x
    x = 16,746,828,988.96/133,756.79
  6. Step 6: Final answer
    x = 125,203.58

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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.