Home / 282,880.76-390,342.65-162,014.85

Finding the Fourth Proportional to 282,880.76, 390,342.65 and 162,014.85

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Solution

The fourth proportional to 282,880.76, 390,342.65 and 162,014.85 is: 223,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,880.76 : 390,342.65 = 162,014.85 : x
  2. Step 2: Convert to fraction form
    282,880.76/390,342.65 = 162,014.85/x
  3. Step 3: Cross multiply
    282,880.76x = 390,342.65 × 162,014.85
  4. Step 4: Simplify right side
    282,880.76x = 63,241,305,078.28
  5. Step 5: Solve for x
    x = 63,241,305,078.28/282,880.76
  6. Step 6: Final answer
    x = 223,561.71

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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.