Home / 191,039.37-263,637.06-105,006.32

Finding the Fourth Proportional to 191,039.37, 263,637.06 and 105,006.32

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Solution

The fourth proportional to 191,039.37, 263,637.06 and 105,006.32 is: 144,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,039.37 : 263,637.06 = 105,006.32 : x
  2. Step 2: Convert to fraction form
    191,039.37/263,637.06 = 105,006.32/x
  3. Step 3: Cross multiply
    191,039.37x = 263,637.06 × 105,006.32
  4. Step 4: Simplify right side
    191,039.37x = 27,683,556,168.03
  5. Step 5: Solve for x
    x = 27,683,556,168.03/191,039.37
  6. Step 6: Final answer
    x = 144,910.21

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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.