Home / 191,021.67-286,096.14-91,252.44

Finding the Fourth Proportional to 191,021.67, 286,096.14 and 91,252.44

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Solution

The fourth proportional to 191,021.67, 286,096.14 and 91,252.44 is: 136,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,021.67 : 286,096.14 = 91,252.44 : x
  2. Step 2: Convert to fraction form
    191,021.67/286,096.14 = 91,252.44/x
  3. Step 3: Cross multiply
    191,021.67x = 286,096.14 × 91,252.44
  4. Step 4: Simplify right side
    191,021.67x = 26,106,970,849.58
  5. Step 5: Solve for x
    x = 26,106,970,849.58/191,021.67
  6. Step 6: Final answer
    x = 136,670.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.