Home / 127,410.65-191,139.04-52,489.16

Finding the Fourth Proportional to 127,410.65, 191,139.04 and 52,489.16

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Solution

The fourth proportional to 127,410.65, 191,139.04 and 52,489.16 is: 78,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410.65 : 191,139.04 = 52,489.16 : x
  2. Step 2: Convert to fraction form
    127,410.65/191,139.04 = 52,489.16/x
  3. Step 3: Cross multiply
    127,410.65x = 191,139.04 × 52,489.16
  4. Step 4: Simplify right side
    127,410.65x = 10,032,727,652.81
  5. Step 5: Solve for x
    x = 10,032,727,652.81/127,410.65
  6. Step 6: Final answer
    x = 78,743.24

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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.