Home / 137,428.89-206,068.39-41,352.10

Finding the Fourth Proportional to 137,428.89, 206,068.39 and 41,352.10

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Solution

The fourth proportional to 137,428.89, 206,068.39 and 41,352.10 is: 62,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,428.89 : 206,068.39 = 41,352.10 : x
  2. Step 2: Convert to fraction form
    137,428.89/206,068.39 = 41,352.10/x
  3. Step 3: Cross multiply
    137,428.89x = 206,068.39 × 41,352.10
  4. Step 4: Simplify right side
    137,428.89x = 8,521,360,688.80
  5. Step 5: Solve for x
    x = 8,521,360,688.80/137,428.89
  6. Step 6: Final answer
    x = 62,005.60

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1.5x scale

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.