Home / 122,218.29-168,652.13-74,463.93

Finding the Fourth Proportional to 122,218.29, 168,652.13 and 74,463.93

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Solution

The fourth proportional to 122,218.29, 168,652.13 and 74,463.93 is: 102,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,218.29 : 168,652.13 = 74,463.93 : x
  2. Step 2: Convert to fraction form
    122,218.29/168,652.13 = 74,463.93/x
  3. Step 3: Cross multiply
    122,218.29x = 168,652.13 × 74,463.93
  4. Step 4: Simplify right side
    122,218.29x = 12,558,500,030.35
  5. Step 5: Solve for x
    x = 12,558,500,030.35/122,218.29
  6. Step 6: Final answer
    x = 102,754.67

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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.