Home / 152,079.60-209,851.44-84,091.92

Finding the Fourth Proportional to 152,079.60, 209,851.44 and 84,091.92

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Solution

The fourth proportional to 152,079.60, 209,851.44 and 84,091.92 is: 116,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,079.60 : 209,851.44 = 84,091.92 : x
  2. Step 2: Convert to fraction form
    152,079.60/209,851.44 = 84,091.92/x
  3. Step 3: Cross multiply
    152,079.60x = 209,851.44 × 84,091.92
  4. Step 4: Simplify right side
    152,079.60x = 17,646,810,504.36
  5. Step 5: Solve for x
    x = 17,646,810,504.36/152,079.60
  6. Step 6: Final answer
    x = 116,036.67

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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.