Home / 209,916.20-314,874.30-168,444.20

Finding the Fourth Proportional to 209,916.20, 314,874.30 and 168,444.20

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Solution

The fourth proportional to 209,916.20, 314,874.30 and 168,444.20 is: 252,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,916.20 : 314,874.30 = 168,444.20 : x
  2. Step 2: Convert to fraction form
    209,916.20/314,874.30 = 168,444.20/x
  3. Step 3: Cross multiply
    209,916.20x = 314,874.30 × 168,444.20
  4. Step 4: Simplify right side
    209,916.20x = 53,038,749,564.06
  5. Step 5: Solve for x
    x = 53,038,749,564.06/209,916.20
  6. Step 6: Final answer
    x = 252,666.30

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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.