Home / 122,473.16-183,663.11-72,567.34

Finding the Fourth Proportional to 122,473.16, 183,663.11 and 72,567.34

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Solution

The fourth proportional to 122,473.16, 183,663.11 and 72,567.34 is: 108,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,473.16 : 183,663.11 = 72,567.34 : x
  2. Step 2: Convert to fraction form
    122,473.16/183,663.11 = 72,567.34/x
  3. Step 3: Cross multiply
    122,473.16x = 183,663.11 × 72,567.34
  4. Step 4: Simplify right side
    122,473.16x = 13,327,943,071.09
  5. Step 5: Solve for x
    x = 13,327,943,071.09/122,473.16
  6. Step 6: Final answer
    x = 108,823.38

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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.