Home / 283,980.69-391,880.16-163,036.85

Finding the Fourth Proportional to 283,980.69, 391,880.16 and 163,036.85

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Solution

The fourth proportional to 283,980.69, 391,880.16 and 163,036.85 is: 224,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,980.69 : 391,880.16 = 163,036.85 : x
  2. Step 2: Convert to fraction form
    283,980.69/391,880.16 = 163,036.85/x
  3. Step 3: Cross multiply
    283,980.69x = 391,880.16 × 163,036.85
  4. Step 4: Simplify right side
    283,980.69x = 63,890,904,904.50
  5. Step 5: Solve for x
    x = 63,890,904,904.50/283,980.69
  6. Step 6: Final answer
    x = 224,983.27

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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.