Home / 346,220.10-519,016.68-135,801.54

Finding the Fourth Proportional to 346,220.10, 519,016.68 and 135,801.54

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Solution

The fourth proportional to 346,220.10, 519,016.68 and 135,801.54 is: 203,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,220.10 : 519,016.68 = 135,801.54 : x
  2. Step 2: Convert to fraction form
    346,220.10/519,016.68 = 135,801.54/x
  3. Step 3: Cross multiply
    346,220.10x = 519,016.68 × 135,801.54
  4. Step 4: Simplify right side
    346,220.10x = 70,483,264,429.69
  5. Step 5: Solve for x
    x = 70,483,264,429.69/346,220.10
  6. Step 6: Final answer
    x = 203,579.35

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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.