Home / 140,190.53-193,509.05-111,562.70

Finding the Fourth Proportional to 140,190.53, 193,509.05 and 111,562.70

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Solution

The fourth proportional to 140,190.53, 193,509.05 and 111,562.70 is: 153,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,190.53 : 193,509.05 = 111,562.70 : x
  2. Step 2: Convert to fraction form
    140,190.53/193,509.05 = 111,562.70/x
  3. Step 3: Cross multiply
    140,190.53x = 193,509.05 × 111,562.70
  4. Step 4: Simplify right side
    140,190.53x = 21,588,390,567.08
  5. Step 5: Solve for x
    x = 21,588,390,567.08/140,190.53
  6. Step 6: Final answer
    x = 153,993.22

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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.