Home / 161,936.40-242,904.60-56,741.70

Finding the Fourth Proportional to 161,936.40, 242,904.60 and 56,741.70

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Solution

The fourth proportional to 161,936.40, 242,904.60 and 56,741.70 is: 85,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936.40 : 242,904.60 = 56,741.70 : x
  2. Step 2: Convert to fraction form
    161,936.40/242,904.60 = 56,741.70/x
  3. Step 3: Cross multiply
    161,936.40x = 242,904.60 × 56,741.70
  4. Step 4: Simplify right side
    161,936.40x = 13,782,819,941.82
  5. Step 5: Solve for x
    x = 13,782,819,941.82/161,936.40
  6. Step 6: Final answer
    x = 85,112.55

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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.