Home / 302,108.02-416,791.05-172,977.46

Finding the Fourth Proportional to 302,108.02, 416,791.05 and 172,977.46

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Solution

The fourth proportional to 302,108.02, 416,791.05 and 172,977.46 is: 238,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,108.02 : 416,791.05 = 172,977.46 : x
  2. Step 2: Convert to fraction form
    302,108.02/416,791.05 = 172,977.46/x
  3. Step 3: Cross multiply
    302,108.02x = 416,791.05 × 172,977.46
  4. Step 4: Simplify right side
    302,108.02x = 72,095,457,179.73
  5. Step 5: Solve for x
    x = 72,095,457,179.73/302,108.02
  6. Step 6: Final answer
    x = 238,641.32

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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.