Home / 141,313.36-195,013.08-77,652.40

Finding the Fourth Proportional to 141,313.36, 195,013.08 and 77,652.40

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Solution

The fourth proportional to 141,313.36, 195,013.08 and 77,652.40 is: 107,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.36 : 195,013.08 = 77,652.40 : x
  2. Step 2: Convert to fraction form
    141,313.36/195,013.08 = 77,652.40/x
  3. Step 3: Cross multiply
    141,313.36x = 195,013.08 × 77,652.40
  4. Step 4: Simplify right side
    141,313.36x = 15,143,233,693.39
  5. Step 5: Solve for x
    x = 15,143,233,693.39/141,313.36
  6. Step 6: Final answer
    x = 107,160.67

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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.