Home / 175,430.21-242,079.03-103,797.75

Finding the Fourth Proportional to 175,430.21, 242,079.03 and 103,797.75

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Solution

The fourth proportional to 175,430.21, 242,079.03 and 103,797.75 is: 143,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,430.21 : 242,079.03 = 103,797.75 : x
  2. Step 2: Convert to fraction form
    175,430.21/242,079.03 = 103,797.75/x
  3. Step 3: Cross multiply
    175,430.21x = 242,079.03 × 103,797.75
  4. Step 4: Simplify right side
    175,430.21x = 25,127,259,543.98
  5. Step 5: Solve for x
    x = 25,127,259,543.98/175,430.21
  6. Step 6: Final answer
    x = 143,232.23

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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.