Home / 127,454.72-191,070.29-48,516.44

Finding the Fourth Proportional to 127,454.72, 191,070.29 and 48,516.44

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Solution

The fourth proportional to 127,454.72, 191,070.29 and 48,516.44 is: 72,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,454.72 : 191,070.29 = 48,516.44 : x
  2. Step 2: Convert to fraction form
    127,454.72/191,070.29 = 48,516.44/x
  3. Step 3: Cross multiply
    127,454.72x = 191,070.29 × 48,516.44
  4. Step 4: Simplify right side
    127,454.72x = 9,270,049,426.51
  5. Step 5: Solve for x
    x = 9,270,049,426.51/127,454.72
  6. Step 6: Final answer
    x = 72,732.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.