Home / 163,532.20-245,298.30-80,588.20

Finding the Fourth Proportional to 163,532.20, 245,298.30 and 80,588.20

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Solution

The fourth proportional to 163,532.20, 245,298.30 and 80,588.20 is: 120,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,532.20 : 245,298.30 = 80,588.20 : x
  2. Step 2: Convert to fraction form
    163,532.20/245,298.30 = 80,588.20/x
  3. Step 3: Cross multiply
    163,532.20x = 245,298.30 × 80,588.20
  4. Step 4: Simplify right side
    163,532.20x = 19,768,148,460.06
  5. Step 5: Solve for x
    x = 19,768,148,460.06/163,532.20
  6. Step 6: Final answer
    x = 120,882.30

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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.