Home / 145,536.74-218,305.11-52,036.82

Finding the Fourth Proportional to 145,536.74, 218,305.11 and 52,036.82

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Solution

The fourth proportional to 145,536.74, 218,305.11 and 52,036.82 is: 78,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,536.74 : 218,305.11 = 52,036.82 : x
  2. Step 2: Convert to fraction form
    145,536.74/218,305.11 = 52,036.82/x
  3. Step 3: Cross multiply
    145,536.74x = 218,305.11 × 52,036.82
  4. Step 4: Simplify right side
    145,536.74x = 11,359,903,714.15
  5. Step 5: Solve for x
    x = 11,359,903,714.15/145,536.74
  6. Step 6: Final answer
    x = 78,055.23

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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.