Home / 292,827.20-439,240.80-193,035.20

Finding the Fourth Proportional to 292,827.20, 439,240.80 and 193,035.20

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Solution

The fourth proportional to 292,827.20, 439,240.80 and 193,035.20 is: 289,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,827.20 : 439,240.80 = 193,035.20 : x
  2. Step 2: Convert to fraction form
    292,827.20/439,240.80 = 193,035.20/x
  3. Step 3: Cross multiply
    292,827.20x = 439,240.80 × 193,035.20
  4. Step 4: Simplify right side
    292,827.20x = 84,788,935,676.16
  5. Step 5: Solve for x
    x = 84,788,935,676.16/292,827.20
  6. Step 6: Final answer
    x = 289,552.80

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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.