Home / 190,385.22-262,733.14-105,503.70

Finding the Fourth Proportional to 190,385.22, 262,733.14 and 105,503.70

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Solution

The fourth proportional to 190,385.22, 262,733.14 and 105,503.70 is: 145,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,385.22 : 262,733.14 = 105,503.70 : x
  2. Step 2: Convert to fraction form
    190,385.22/262,733.14 = 105,503.70/x
  3. Step 3: Cross multiply
    190,385.22x = 262,733.14 × 105,503.70
  4. Step 4: Simplify right side
    190,385.22x = 27,719,318,382.62
  5. Step 5: Solve for x
    x = 27,719,318,382.62/190,385.22
  6. Step 6: Final answer
    x = 145,595.96

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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.