Home / 124,857.63-172,304.10-68,268.96

Finding the Fourth Proportional to 124,857.63, 172,304.10 and 68,268.96

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Solution

The fourth proportional to 124,857.63, 172,304.10 and 68,268.96 is: 94,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.63 : 172,304.10 = 68,268.96 : x
  2. Step 2: Convert to fraction form
    124,857.63/172,304.10 = 68,268.96/x
  3. Step 3: Cross multiply
    124,857.63x = 172,304.10 × 68,268.96
  4. Step 4: Simplify right side
    124,857.63x = 11,763,021,710.74
  5. Step 5: Solve for x
    x = 11,763,021,710.74/124,857.63
  6. Step 6: Final answer
    x = 94,211.48

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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.