Home / 191,966.34-287,949.54-98,412.42

Finding the Fourth Proportional to 191,966.34, 287,949.54 and 98,412.42

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Solution

The fourth proportional to 191,966.34, 287,949.54 and 98,412.42 is: 147,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,966.34 : 287,949.54 = 98,412.42 : x
  2. Step 2: Convert to fraction form
    191,966.34/287,949.54 = 98,412.42/x
  3. Step 3: Cross multiply
    191,966.34x = 287,949.54 × 98,412.42
  4. Step 4: Simplify right side
    191,966.34x = 28,337,811,069.29
  5. Step 5: Solve for x
    x = 28,337,811,069.29/191,966.34
  6. Step 6: Final answer
    x = 147,618.65

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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.