Home / 293,140.20-439,710.30-233,005.80

Finding the Fourth Proportional to 293,140.20, 439,710.30 and 233,005.80

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Solution

The fourth proportional to 293,140.20, 439,710.30 and 233,005.80 is: 349,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,140.20 : 439,710.30 = 233,005.80 : x
  2. Step 2: Convert to fraction form
    293,140.20/439,710.30 = 233,005.80/x
  3. Step 3: Cross multiply
    293,140.20x = 439,710.30 × 233,005.80
  4. Step 4: Simplify right side
    293,140.20x = 102,455,050,219.74
  5. Step 5: Solve for x
    x = 102,455,050,219.74/293,140.20
  6. Step 6: Final answer
    x = 349,508.70

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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.