Home / 124,212.73-186,322.15-45,326.93

Finding the Fourth Proportional to 124,212.73, 186,322.15 and 45,326.93

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Solution

The fourth proportional to 124,212.73, 186,322.15 and 45,326.93 is: 67,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.73 : 186,322.15 = 45,326.93 : x
  2. Step 2: Convert to fraction form
    124,212.73/186,322.15 = 45,326.93/x
  3. Step 3: Cross multiply
    124,212.73x = 186,322.15 × 45,326.93
  4. Step 4: Simplify right side
    124,212.73x = 8,445,411,050.50
  5. Step 5: Solve for x
    x = 8,445,411,050.50/124,212.73
  6. Step 6: Final answer
    x = 67,991.51

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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.