Home / 141,811.90-212,754.74-53,072.26

Finding the Fourth Proportional to 141,811.90, 212,754.74 and 53,072.26

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Solution

The fourth proportional to 141,811.90, 212,754.74 and 53,072.26 is: 79,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.90 : 212,754.74 = 53,072.26 : x
  2. Step 2: Convert to fraction form
    141,811.90/212,754.74 = 53,072.26/x
  3. Step 3: Cross multiply
    141,811.90x = 212,754.74 × 53,072.26
  4. Step 4: Simplify right side
    141,811.90x = 11,291,374,877.51
  5. Step 5: Solve for x
    x = 11,291,374,877.51/141,811.90
  6. Step 6: Final answer
    x = 79,622.20

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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.