Home / 124,137.18-186,095.03-103,248.59

Finding the Fourth Proportional to 124,137.18, 186,095.03 and 103,248.59

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Solution

The fourth proportional to 124,137.18, 186,095.03 and 103,248.59 is: 154,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,137.18 : 186,095.03 = 103,248.59 : x
  2. Step 2: Convert to fraction form
    124,137.18/186,095.03 = 103,248.59/x
  3. Step 3: Cross multiply
    124,137.18x = 186,095.03 × 103,248.59
  4. Step 4: Simplify right side
    124,137.18x = 19,214,048,006.79
  5. Step 5: Solve for x
    x = 19,214,048,006.79/124,137.18
  6. Step 6: Final answer
    x = 154,780.77

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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.