Home / 175,520.89-242,205.49-99,047.09

Finding the Fourth Proportional to 175,520.89, 242,205.49 and 99,047.09

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Solution

The fourth proportional to 175,520.89, 242,205.49 and 99,047.09 is: 136,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,520.89 : 242,205.49 = 99,047.09 : x
  2. Step 2: Convert to fraction form
    175,520.89/242,205.49 = 99,047.09/x
  3. Step 3: Cross multiply
    175,520.89x = 242,205.49 × 99,047.09
  4. Step 4: Simplify right side
    175,520.89x = 23,989,749,729.86
  5. Step 5: Solve for x
    x = 23,989,749,729.86/175,520.89
  6. Step 6: Final answer
    x = 136,677.46

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1.5x scale

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.