Home / 166,306.52-249,544.02-72,813.08

Finding the Fourth Proportional to 166,306.52, 249,544.02 and 72,813.08

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Solution

The fourth proportional to 166,306.52, 249,544.02 and 72,813.08 is: 109,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,306.52 : 249,544.02 = 72,813.08 : x
  2. Step 2: Convert to fraction form
    166,306.52/249,544.02 = 72,813.08/x
  3. Step 3: Cross multiply
    166,306.52x = 249,544.02 × 72,813.08
  4. Step 4: Simplify right side
    166,306.52x = 18,170,068,691.78
  5. Step 5: Solve for x
    x = 18,170,068,691.78/166,306.52
  6. Step 6: Final answer
    x = 109,256.50

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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.