Home / 166,187.70-249,281.55-47,862.90

Finding the Fourth Proportional to 166,187.70, 249,281.55 and 47,862.90

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Solution

The fourth proportional to 166,187.70, 249,281.55 and 47,862.90 is: 71,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,187.70 : 249,281.55 = 47,862.90 : x
  2. Step 2: Convert to fraction form
    166,187.70/249,281.55 = 47,862.90/x
  3. Step 3: Cross multiply
    166,187.70x = 249,281.55 × 47,862.90
  4. Step 4: Simplify right side
    166,187.70x = 11,931,337,899.50
  5. Step 5: Solve for x
    x = 11,931,337,899.50/166,187.70
  6. Step 6: Final answer
    x = 71,794.35

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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.