Home / 352,280.60-528,032.10-194,622.20

Finding the Fourth Proportional to 352,280.60, 528,032.10 and 194,622.20

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Solution

The fourth proportional to 352,280.60, 528,032.10 and 194,622.20 is: 291,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,280.60 : 528,032.10 = 194,622.20 : x
  2. Step 2: Convert to fraction form
    352,280.60/528,032.10 = 194,622.20/x
  3. Step 3: Cross multiply
    352,280.60x = 528,032.10 × 194,622.20
  4. Step 4: Simplify right side
    352,280.60x = 102,766,768,972.62
  5. Step 5: Solve for x
    x = 102,766,768,972.62/352,280.60
  6. Step 6: Final answer
    x = 291,718.50

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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.