Home / 193,877.40-290,697.03-75,410.67

Finding the Fourth Proportional to 193,877.40, 290,697.03 and 75,410.67

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Solution

The fourth proportional to 193,877.40, 290,697.03 and 75,410.67 is: 113,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,877.40 : 290,697.03 = 75,410.67 : x
  2. Step 2: Convert to fraction form
    193,877.40/290,697.03 = 75,410.67/x
  3. Step 3: Cross multiply
    193,877.40x = 290,697.03 × 75,410.67
  4. Step 4: Simplify right side
    193,877.40x = 21,921,657,799.31
  5. Step 5: Solve for x
    x = 21,921,657,799.31/193,877.40
  6. Step 6: Final answer
    x = 113,069.69

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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.