Home / 175,778.10-242,588.70-99,311.22

Finding the Fourth Proportional to 175,778.10, 242,588.70 and 99,311.22

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Solution

The fourth proportional to 175,778.10, 242,588.70 and 99,311.22 is: 137,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,778.10 : 242,588.70 = 99,311.22 : x
  2. Step 2: Convert to fraction form
    175,778.10/242,588.70 = 99,311.22/x
  3. Step 3: Cross multiply
    175,778.10x = 242,588.70 × 99,311.22
  4. Step 4: Simplify right side
    175,778.10x = 24,091,779,755.21
  5. Step 5: Solve for x
    x = 24,091,779,755.21/175,778.10
  6. Step 6: Final answer
    x = 137,057.91

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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.