Home / 191,122.77-263,752.67-105,085.28

Finding the Fourth Proportional to 191,122.77, 263,752.67 and 105,085.28

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Solution

The fourth proportional to 191,122.77, 263,752.67 and 105,085.28 is: 145,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122.77 : 263,752.67 = 105,085.28 : x
  2. Step 2: Convert to fraction form
    191,122.77/263,752.67 = 105,085.28/x
  3. Step 3: Cross multiply
    191,122.77x = 263,752.67 × 105,085.28
  4. Step 4: Simplify right side
    191,122.77x = 27,716,524,099.79
  5. Step 5: Solve for x
    x = 27,716,524,099.79/191,122.77
  6. Step 6: Final answer
    x = 145,019.47

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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.