Home / 145,916.45-218,827.29-55,954.44

Finding the Fourth Proportional to 145,916.45, 218,827.29 and 55,954.44

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Solution

The fourth proportional to 145,916.45, 218,827.29 and 55,954.44 is: 83,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,916.45 : 218,827.29 = 55,954.44 : x
  2. Step 2: Convert to fraction form
    145,916.45/218,827.29 = 55,954.44/x
  3. Step 3: Cross multiply
    145,916.45x = 218,827.29 × 55,954.44
  4. Step 4: Simplify right side
    145,916.45x = 12,244,358,468.67
  5. Step 5: Solve for x
    x = 12,244,358,468.67/145,916.45
  6. Step 6: Final answer
    x = 83,913.49

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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.