Home / 272,219.10-375,666.70-149,716.85

Finding the Fourth Proportional to 272,219.10, 375,666.70 and 149,716.85

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Solution

The fourth proportional to 272,219.10, 375,666.70 and 149,716.85 is: 206,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,219.10 : 375,666.70 = 149,716.85 : x
  2. Step 2: Convert to fraction form
    272,219.10/375,666.70 = 149,716.85/x
  3. Step 3: Cross multiply
    272,219.10x = 375,666.70 × 149,716.85
  4. Step 4: Simplify right side
    272,219.10x = 56,243,634,973.90
  5. Step 5: Solve for x
    x = 56,243,634,973.90/272,219.10
  6. Step 6: Final answer
    x = 206,611.64

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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.