Home / 166,440.30-249,514.65-99,809.70

Finding the Fourth Proportional to 166,440.30, 249,514.65 and 99,809.70

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Solution

The fourth proportional to 166,440.30, 249,514.65 and 99,809.70 is: 149,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,440.30 : 249,514.65 = 99,809.70 : x
  2. Step 2: Convert to fraction form
    166,440.30/249,514.65 = 99,809.70/x
  3. Step 3: Cross multiply
    166,440.30x = 249,514.65 × 99,809.70
  4. Step 4: Simplify right side
    166,440.30x = 24,903,982,362.11
  5. Step 5: Solve for x
    x = 24,903,982,362.11/166,440.30
  6. Step 6: Final answer
    x = 149,627.12

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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.