Home / 348,061.20-522,091.80-111,411.60

Finding the Fourth Proportional to 348,061.20, 522,091.80 and 111,411.60

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Solution

The fourth proportional to 348,061.20, 522,091.80 and 111,411.60 is: 167,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,061.20 : 522,091.80 = 111,411.60 : x
  2. Step 2: Convert to fraction form
    348,061.20/522,091.80 = 111,411.60/x
  3. Step 3: Cross multiply
    348,061.20x = 522,091.80 × 111,411.60
  4. Step 4: Simplify right side
    348,061.20x = 58,167,082,784.88
  5. Step 5: Solve for x
    x = 58,167,082,784.88/348,061.20
  6. Step 6: Final answer
    x = 167,117.40

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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.