Home / 166,115.40-249,140.70-53,768.40

Finding the Fourth Proportional to 166,115.40, 249,140.70 and 53,768.40

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Solution

The fourth proportional to 166,115.40, 249,140.70 and 53,768.40 is: 80,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,115.40 : 249,140.70 = 53,768.40 : x
  2. Step 2: Convert to fraction form
    166,115.40/249,140.70 = 53,768.40/x
  3. Step 3: Cross multiply
    166,115.40x = 249,140.70 × 53,768.40
  4. Step 4: Simplify right side
    166,115.40x = 13,395,896,813.88
  5. Step 5: Solve for x
    x = 13,395,896,813.88/166,115.40
  6. Step 6: Final answer
    x = 80,642.11

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1.5x scale

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.