Home / 346,586.20-519,928.90-106,720.40

Finding the Fourth Proportional to 346,586.20, 519,928.90 and 106,720.40

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Solution

The fourth proportional to 346,586.20, 519,928.90 and 106,720.40 is: 160,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,586.20 : 519,928.90 = 106,720.40 : x
  2. Step 2: Convert to fraction form
    346,586.20/519,928.90 = 106,720.40/x
  3. Step 3: Cross multiply
    346,586.20x = 519,928.90 × 106,720.40
  4. Step 4: Simplify right side
    346,586.20x = 55,487,020,179.56
  5. Step 5: Solve for x
    x = 55,487,020,179.56/346,586.20
  6. Step 6: Final answer
    x = 160,095.87

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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.