Home / 166,113.40-249,129.60-47,772.40

Finding the Fourth Proportional to 166,113.40, 249,129.60 and 47,772.40

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Solution

The fourth proportional to 166,113.40, 249,129.60 and 47,772.40 is: 71,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,113.40 : 249,129.60 = 47,772.40 : x
  2. Step 2: Convert to fraction form
    166,113.40/249,129.60 = 47,772.40/x
  3. Step 3: Cross multiply
    166,113.40x = 249,129.60 × 47,772.40
  4. Step 4: Simplify right side
    166,113.40x = 11,901,518,903.04
  5. Step 5: Solve for x
    x = 11,901,518,903.04/166,113.40
  6. Step 6: Final answer
    x = 71,646.95

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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.