Home / 166,351.20-249,526.80-91,442.40

Finding the Fourth Proportional to 166,351.20, 249,526.80 and 91,442.40

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Solution

The fourth proportional to 166,351.20, 249,526.80 and 91,442.40 is: 137,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,351.20 : 249,526.80 = 91,442.40 : x
  2. Step 2: Convert to fraction form
    166,351.20/249,526.80 = 91,442.40/x
  3. Step 3: Cross multiply
    166,351.20x = 249,526.80 × 91,442.40
  4. Step 4: Simplify right side
    166,351.20x = 22,817,329,456.32
  5. Step 5: Solve for x
    x = 22,817,329,456.32/166,351.20
  6. Step 6: Final answer
    x = 137,163.60

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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.