Home / 141,775.06-212,693.10-70,735.90

Finding the Fourth Proportional to 141,775.06, 212,693.10 and 70,735.90

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Solution

The fourth proportional to 141,775.06, 212,693.10 and 70,735.90 is: 106,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,775.06 : 212,693.10 = 70,735.90 : x
  2. Step 2: Convert to fraction form
    141,775.06/212,693.10 = 70,735.90/x
  3. Step 3: Cross multiply
    141,775.06x = 212,693.10 × 70,735.90
  4. Step 4: Simplify right side
    141,775.06x = 15,045,037,852.29
  5. Step 5: Solve for x
    x = 15,045,037,852.29/141,775.06
  6. Step 6: Final answer
    x = 106,119.07

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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.