Home / 166,501.80-249,752.70-54,192.60

Finding the Fourth Proportional to 166,501.80, 249,752.70 and 54,192.60

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Solution

The fourth proportional to 166,501.80, 249,752.70 and 54,192.60 is: 81,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,501.80 : 249,752.70 = 54,192.60 : x
  2. Step 2: Convert to fraction form
    166,501.80/249,752.70 = 54,192.60/x
  3. Step 3: Cross multiply
    166,501.80x = 249,752.70 × 54,192.60
  4. Step 4: Simplify right side
    166,501.80x = 13,534,748,170.02
  5. Step 5: Solve for x
    x = 13,534,748,170.02/166,501.80
  6. Step 6: Final answer
    x = 81,288.90

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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.