Home / 282,068.10-423,793.35-212,084.10

Finding the Fourth Proportional to 282,068.10, 423,793.35 and 212,084.10

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Solution

The fourth proportional to 282,068.10, 423,793.35 and 212,084.10 is: 318,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,068.10 : 423,793.35 = 212,084.10 : x
  2. Step 2: Convert to fraction form
    282,068.10/423,793.35 = 212,084.10/x
  3. Step 3: Cross multiply
    282,068.10x = 423,793.35 × 212,084.10
  4. Step 4: Simplify right side
    282,068.10x = 89,879,831,220.74
  5. Step 5: Solve for x
    x = 89,879,831,220.74/282,068.10
  6. Step 6: Final answer
    x = 318,645.86

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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.