Home / 190,199.52-262,472.13-105,314.76

Finding the Fourth Proportional to 190,199.52, 262,472.13 and 105,314.76

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Solution

The fourth proportional to 190,199.52, 262,472.13 and 105,314.76 is: 145,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199.52 : 262,472.13 = 105,314.76 : x
  2. Step 2: Convert to fraction form
    190,199.52/262,472.13 = 105,314.76/x
  3. Step 3: Cross multiply
    190,199.52x = 262,472.13 × 105,314.76
  4. Step 4: Simplify right side
    190,199.52x = 27,642,189,377.64
  5. Step 5: Solve for x
    x = 27,642,189,377.64/190,199.52
  6. Step 6: Final answer
    x = 145,332.59

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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.