Home / 166,621.40-249,932.10-127,255.40

Finding the Fourth Proportional to 166,621.40, 249,932.10 and 127,255.40

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Solution

The fourth proportional to 166,621.40, 249,932.10 and 127,255.40 is: 190,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,621.40 : 249,932.10 = 127,255.40 : x
  2. Step 2: Convert to fraction form
    166,621.40/249,932.10 = 127,255.40/x
  3. Step 3: Cross multiply
    166,621.40x = 249,932.10 × 127,255.40
  4. Step 4: Simplify right side
    166,621.40x = 31,805,209,358.34
  5. Step 5: Solve for x
    x = 31,805,209,358.34/166,621.40
  6. Step 6: Final answer
    x = 190,883.10

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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.