Home / 164,120.76-246,079.08-69,302.16

Finding the Fourth Proportional to 164,120.76, 246,079.08 and 69,302.16

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Solution

The fourth proportional to 164,120.76, 246,079.08 and 69,302.16 is: 103,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,120.76 : 246,079.08 = 69,302.16 : x
  2. Step 2: Convert to fraction form
    164,120.76/246,079.08 = 69,302.16/x
  3. Step 3: Cross multiply
    164,120.76x = 246,079.08 × 69,302.16
  4. Step 4: Simplify right side
    164,120.76x = 17,053,811,774.81
  5. Step 5: Solve for x
    x = 17,053,811,774.81/164,120.76
  6. Step 6: Final answer
    x = 103,910.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.