Home / 291,272.02-401,929.76-162,200.74

Finding the Fourth Proportional to 291,272.02, 401,929.76 and 162,200.74

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Solution

The fourth proportional to 291,272.02, 401,929.76 and 162,200.74 is: 223,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,272.02 : 401,929.76 = 162,200.74 : x
  2. Step 2: Convert to fraction form
    291,272.02/401,929.76 = 162,200.74/x
  3. Step 3: Cross multiply
    291,272.02x = 401,929.76 × 162,200.74
  4. Step 4: Simplify right side
    291,272.02x = 65,193,304,500.02
  5. Step 5: Solve for x
    x = 65,193,304,500.02/291,272.02
  6. Step 6: Final answer
    x = 223,822.75

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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.