Home / 133,661.60-184,436.88-74,041.76

Finding the Fourth Proportional to 133,661.60, 184,436.88 and 74,041.76

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Solution

The fourth proportional to 133,661.60, 184,436.88 and 74,041.76 is: 102,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,661.60 : 184,436.88 = 74,041.76 : x
  2. Step 2: Convert to fraction form
    133,661.60/184,436.88 = 74,041.76/x
  3. Step 3: Cross multiply
    133,661.60x = 184,436.88 × 74,041.76
  4. Step 4: Simplify right side
    133,661.60x = 13,656,031,204.11
  5. Step 5: Solve for x
    x = 13,656,031,204.11/133,661.60
  6. Step 6: Final answer
    x = 102,168.69

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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.