Home / 282,675.18-390,092.04-155,348.04

Finding the Fourth Proportional to 282,675.18, 390,092.04 and 155,348.04

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Solution

The fourth proportional to 282,675.18, 390,092.04 and 155,348.04 is: 214,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,675.18 : 390,092.04 = 155,348.04 : x
  2. Step 2: Convert to fraction form
    282,675.18/390,092.04 = 155,348.04/x
  3. Step 3: Cross multiply
    282,675.18x = 390,092.04 × 155,348.04
  4. Step 4: Simplify right side
    282,675.18x = 60,600,033,833.60
  5. Step 5: Solve for x
    x = 60,600,033,833.60/282,675.18
  6. Step 6: Final answer
    x = 214,380.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.