Home / 124,885.32-172,362.10-92,832.82

Finding the Fourth Proportional to 124,885.32, 172,362.10 and 92,832.82

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Solution

The fourth proportional to 124,885.32, 172,362.10 and 92,832.82 is: 128,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,885.32 : 172,362.10 = 92,832.82 : x
  2. Step 2: Convert to fraction form
    124,885.32/172,362.10 = 92,832.82/x
  3. Step 3: Cross multiply
    124,885.32x = 172,362.10 × 92,832.82
  4. Step 4: Simplify right side
    124,885.32x = 16,000,859,804.12
  5. Step 5: Solve for x
    x = 16,000,859,804.12/124,885.32
  6. Step 6: Final answer
    x = 128,124.42

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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.