Home / 175,430.88-242,108.64-99,984.96

Finding the Fourth Proportional to 175,430.88, 242,108.64 and 99,984.96

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Solution

The fourth proportional to 175,430.88, 242,108.64 and 99,984.96 is: 137,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,430.88 : 242,108.64 = 99,984.96 : x
  2. Step 2: Convert to fraction form
    175,430.88/242,108.64 = 99,984.96/x
  3. Step 3: Cross multiply
    175,430.88x = 242,108.64 × 99,984.96
  4. Step 4: Simplify right side
    175,430.88x = 24,207,222,686.05
  5. Step 5: Solve for x
    x = 24,207,222,686.05/175,430.88
  6. Step 6: Final answer
    x = 137,987.24

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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.