Home / 166,133.70-249,200.55-121,518.90

Finding the Fourth Proportional to 166,133.70, 249,200.55 and 121,518.90

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Solution

The fourth proportional to 166,133.70, 249,200.55 and 121,518.90 is: 182,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,133.70 : 249,200.55 = 121,518.90 : x
  2. Step 2: Convert to fraction form
    166,133.70/249,200.55 = 121,518.90/x
  3. Step 3: Cross multiply
    166,133.70x = 249,200.55 × 121,518.90
  4. Step 4: Simplify right side
    166,133.70x = 30,282,576,715.40
  5. Step 5: Solve for x
    x = 30,282,576,715.40/166,133.70
  6. Step 6: Final answer
    x = 182,278.35

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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.