Home / 166,364.10-249,546.15-66,539.70

Finding the Fourth Proportional to 166,364.10, 249,546.15 and 66,539.70

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Solution

The fourth proportional to 166,364.10, 249,546.15 and 66,539.70 is: 99,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,364.10 : 249,546.15 = 66,539.70 : x
  2. Step 2: Convert to fraction form
    166,364.10/249,546.15 = 66,539.70/x
  3. Step 3: Cross multiply
    166,364.10x = 249,546.15 × 66,539.70
  4. Step 4: Simplify right side
    166,364.10x = 16,604,725,957.16
  5. Step 5: Solve for x
    x = 16,604,725,957.16/166,364.10
  6. Step 6: Final answer
    x = 99,809.55

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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.