Home / 127,169.44-175,502.03-70,580.81

Finding the Fourth Proportional to 127,169.44, 175,502.03 and 70,580.81

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Solution

The fourth proportional to 127,169.44, 175,502.03 and 70,580.81 is: 97,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.44 : 175,502.03 = 70,580.81 : x
  2. Step 2: Convert to fraction form
    127,169.44/175,502.03 = 70,580.81/x
  3. Step 3: Cross multiply
    127,169.44x = 175,502.03 × 70,580.81
  4. Step 4: Simplify right side
    127,169.44x = 12,387,075,519.90
  5. Step 5: Solve for x
    x = 12,387,075,519.90/127,169.44
  6. Step 6: Final answer
    x = 97,406.07

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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.