Home / 191,841.42-287,786.70-102,973.08

Finding the Fourth Proportional to 191,841.42, 287,786.70 and 102,973.08

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Solution

The fourth proportional to 191,841.42, 287,786.70 and 102,973.08 is: 154,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,841.42 : 287,786.70 = 102,973.08 : x
  2. Step 2: Convert to fraction form
    191,841.42/287,786.70 = 102,973.08/x
  3. Step 3: Cross multiply
    191,841.42x = 287,786.70 × 102,973.08
  4. Step 4: Simplify right side
    191,841.42x = 29,634,282,882.04
  5. Step 5: Solve for x
    x = 29,634,282,882.04/191,841.42
  6. Step 6: Final answer
    x = 154,472.81

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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.