Home / 190,194.76-262,400.34-114,715.72

Finding the Fourth Proportional to 190,194.76, 262,400.34 and 114,715.72

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Solution

The fourth proportional to 190,194.76, 262,400.34 and 114,715.72 is: 158,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,194.76 : 262,400.34 = 114,715.72 : x
  2. Step 2: Convert to fraction form
    190,194.76/262,400.34 = 114,715.72/x
  3. Step 3: Cross multiply
    190,194.76x = 262,400.34 × 114,715.72
  4. Step 4: Simplify right side
    190,194.76x = 30,101,443,931.34
  5. Step 5: Solve for x
    x = 30,101,443,931.34/190,194.76
  6. Step 6: Final answer
    x = 158,266.42

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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.