Home / 114,155.19-157,465.28-75,393.25

Finding the Fourth Proportional to 114,155.19, 157,465.28 and 75,393.25

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Solution

The fourth proportional to 114,155.19, 157,465.28 and 75,393.25 is: 103,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,155.19 : 157,465.28 = 75,393.25 : x
  2. Step 2: Convert to fraction form
    114,155.19/157,465.28 = 75,393.25/x
  3. Step 3: Cross multiply
    114,155.19x = 157,465.28 × 75,393.25
  4. Step 4: Simplify right side
    114,155.19x = 11,871,819,016.18
  5. Step 5: Solve for x
    x = 11,871,819,016.18/114,155.19
  6. Step 6: Final answer
    x = 103,997.19

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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.