Home / 166,630.40-249,799.80-148,915.70

Finding the Fourth Proportional to 166,630.40, 249,799.80 and 148,915.70

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Solution

The fourth proportional to 166,630.40, 249,799.80 and 148,915.70 is: 223,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.40 : 249,799.80 = 148,915.70 : x
  2. Step 2: Convert to fraction form
    166,630.40/249,799.80 = 148,915.70/x
  3. Step 3: Cross multiply
    166,630.40x = 249,799.80 × 148,915.70
  4. Step 4: Simplify right side
    166,630.40x = 37,199,112,076.86
  5. Step 5: Solve for x
    x = 37,199,112,076.86/166,630.40
  6. Step 6: Final answer
    x = 223,243.25

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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.