Home / 141,285.40-195,172.86-133,820.44

Finding the Fourth Proportional to 141,285.40, 195,172.86 and 133,820.44

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Solution

The fourth proportional to 141,285.40, 195,172.86 and 133,820.44 is: 184,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,285.40 : 195,172.86 = 133,820.44 : x
  2. Step 2: Convert to fraction form
    141,285.40/195,172.86 = 133,820.44/x
  3. Step 3: Cross multiply
    141,285.40x = 195,172.86 × 133,820.44
  4. Step 4: Simplify right side
    141,285.40x = 26,118,118,001.26
  5. Step 5: Solve for x
    x = 26,118,118,001.26/141,285.40
  6. Step 6: Final answer
    x = 184,860.70

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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.