Home / 144,554.20-216,869.10-55,810.60

Finding the Fourth Proportional to 144,554.20, 216,869.10 and 55,810.60

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Solution

The fourth proportional to 144,554.20, 216,869.10 and 55,810.60 is: 83,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,554.20 : 216,869.10 = 55,810.60 : x
  2. Step 2: Convert to fraction form
    144,554.20/216,869.10 = 55,810.60/x
  3. Step 3: Cross multiply
    144,554.20x = 216,869.10 × 55,810.60
  4. Step 4: Simplify right side
    144,554.20x = 12,103,594,592.46
  5. Step 5: Solve for x
    x = 12,103,594,592.46/144,554.20
  6. Step 6: Final answer
    x = 83,730.49

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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.