Home / 175,441.45-242,091.03-129,525.52

Finding the Fourth Proportional to 175,441.45, 242,091.03 and 129,525.52

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Solution

The fourth proportional to 175,441.45, 242,091.03 and 129,525.52 is: 178,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,441.45 : 242,091.03 = 129,525.52 : x
  2. Step 2: Convert to fraction form
    175,441.45/242,091.03 = 129,525.52/x
  3. Step 3: Cross multiply
    175,441.45x = 242,091.03 × 129,525.52
  4. Step 4: Simplify right side
    175,441.45x = 31,356,966,548.09
  5. Step 5: Solve for x
    x = 31,356,966,548.09/175,441.45
  6. Step 6: Final answer
    x = 178,731.80

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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.