Home / 133,482.28-184,246.66-76,931.40

Finding the Fourth Proportional to 133,482.28, 184,246.66 and 76,931.40

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Solution

The fourth proportional to 133,482.28, 184,246.66 and 76,931.40 is: 106,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,482.28 : 184,246.66 = 76,931.40 : x
  2. Step 2: Convert to fraction form
    133,482.28/184,246.66 = 76,931.40/x
  3. Step 3: Cross multiply
    133,482.28x = 184,246.66 × 76,931.40
  4. Step 4: Simplify right side
    133,482.28x = 14,174,353,499.12
  5. Step 5: Solve for x
    x = 14,174,353,499.12/133,482.28
  6. Step 6: Final answer
    x = 106,189.03

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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.