Home / 191,160.96-263,808.75-105,123.47

Finding the Fourth Proportional to 191,160.96, 263,808.75 and 105,123.47

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Solution

The fourth proportional to 191,160.96, 263,808.75 and 105,123.47 is: 145,074.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,160.96 : 263,808.75 = 105,123.47 : x
  2. Step 2: Convert to fraction form
    191,160.96/263,808.75 = 105,123.47/x
  3. Step 3: Cross multiply
    191,160.96x = 263,808.75 × 105,123.47
  4. Step 4: Simplify right side
    191,160.96x = 27,732,489,897.32
  5. Step 5: Solve for x
    x = 27,732,489,897.32/191,160.96
  6. Step 6: Final answer
    x = 145,074.03

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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.