Home / 190,234.81-262,526.76-109,660.87

Finding the Fourth Proportional to 190,234.81, 262,526.76 and 109,660.87

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Solution

The fourth proportional to 190,234.81, 262,526.76 and 109,660.87 is: 151,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,234.81 : 262,526.76 = 109,660.87 : x
  2. Step 2: Convert to fraction form
    190,234.81/262,526.76 = 109,660.87/x
  3. Step 3: Cross multiply
    190,234.81x = 262,526.76 × 109,660.87
  4. Step 4: Simplify right side
    190,234.81x = 28,788,911,038.94
  5. Step 5: Solve for x
    x = 28,788,911,038.94/190,234.81
  6. Step 6: Final answer
    x = 151,333.56

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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.