Home / 275,734.02-380,416.05-180,296.58

Finding the Fourth Proportional to 275,734.02, 380,416.05 and 180,296.58

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Solution

The fourth proportional to 275,734.02, 380,416.05 and 180,296.58 is: 248,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,734.02 : 380,416.05 = 180,296.58 : x
  2. Step 2: Convert to fraction form
    275,734.02/380,416.05 = 180,296.58/x
  3. Step 3: Cross multiply
    275,734.02x = 380,416.05 × 180,296.58
  4. Step 4: Simplify right side
    275,734.02x = 68,587,712,792.11
  5. Step 5: Solve for x
    x = 68,587,712,792.11/275,734.02
  6. Step 6: Final answer
    x = 248,745.92

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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.