Home / 127,665.15-191,441.10-48,724.17

Finding the Fourth Proportional to 127,665.15, 191,441.10 and 48,724.17

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Solution

The fourth proportional to 127,665.15, 191,441.10 and 48,724.17 is: 73,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,665.15 : 191,441.10 = 48,724.17 : x
  2. Step 2: Convert to fraction form
    127,665.15/191,441.10 = 48,724.17/x
  3. Step 3: Cross multiply
    127,665.15x = 191,441.10 × 48,724.17
  4. Step 4: Simplify right side
    127,665.15x = 9,327,808,701.39
  5. Step 5: Solve for x
    x = 9,327,808,701.39/127,665.15
  6. Step 6: Final answer
    x = 73,064.64

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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.