Home / 141,203.70-211,805.55-105,774.30

Finding the Fourth Proportional to 141,203.70, 211,805.55 and 105,774.30

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Solution

The fourth proportional to 141,203.70, 211,805.55 and 105,774.30 is: 158,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.70 : 211,805.55 = 105,774.30 : x
  2. Step 2: Convert to fraction form
    141,203.70/211,805.55 = 105,774.30/x
  3. Step 3: Cross multiply
    141,203.70x = 211,805.55 × 105,774.30
  4. Step 4: Simplify right side
    141,203.70x = 22,403,583,787.37
  5. Step 5: Solve for x
    x = 22,403,583,787.37/141,203.70
  6. Step 6: Final answer
    x = 158,661.45

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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.