Home / 166,470.86-249,731.15-61,281.83

Finding the Fourth Proportional to 166,470.86, 249,731.15 and 61,281.83

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Solution

The fourth proportional to 166,470.86, 249,731.15 and 61,281.83 is: 91,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,470.86 : 249,731.15 = 61,281.83 : x
  2. Step 2: Convert to fraction form
    166,470.86/249,731.15 = 61,281.83/x
  3. Step 3: Cross multiply
    166,470.86x = 249,731.15 × 61,281.83
  4. Step 4: Simplify right side
    166,470.86x = 15,303,981,880.00
  5. Step 5: Solve for x
    x = 15,303,981,880.00/166,470.86
  6. Step 6: Final answer
    x = 91,931.90

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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.