Home / 145,666.88-218,500.32-52,238.24

Finding the Fourth Proportional to 145,666.88, 218,500.32 and 52,238.24

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Solution

The fourth proportional to 145,666.88, 218,500.32 and 52,238.24 is: 78,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,666.88 : 218,500.32 = 52,238.24 : x
  2. Step 2: Convert to fraction form
    145,666.88/218,500.32 = 52,238.24/x
  3. Step 3: Cross multiply
    145,666.88x = 218,500.32 × 52,238.24
  4. Step 4: Simplify right side
    145,666.88x = 11,414,072,156.24
  5. Step 5: Solve for x
    x = 11,414,072,156.24/145,666.88
  6. Step 6: Final answer
    x = 78,357.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.