Home / 175,319.40-262,979.10-112,333.80

Finding the Fourth Proportional to 175,319.40, 262,979.10 and 112,333.80

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Solution

The fourth proportional to 175,319.40, 262,979.10 and 112,333.80 is: 168,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,319.40 : 262,979.10 = 112,333.80 : x
  2. Step 2: Convert to fraction form
    175,319.40/262,979.10 = 112,333.80/x
  3. Step 3: Cross multiply
    175,319.40x = 262,979.10 × 112,333.80
  4. Step 4: Simplify right side
    175,319.40x = 29,541,441,623.58
  5. Step 5: Solve for x
    x = 29,541,441,623.58/175,319.40
  6. Step 6: Final answer
    x = 168,500.70

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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.