Home / 166,501.20-249,751.80-82,277.40

Finding the Fourth Proportional to 166,501.20, 249,751.80 and 82,277.40

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Solution

The fourth proportional to 166,501.20, 249,751.80 and 82,277.40 is: 123,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,501.20 : 249,751.80 = 82,277.40 : x
  2. Step 2: Convert to fraction form
    166,501.20/249,751.80 = 82,277.40/x
  3. Step 3: Cross multiply
    166,501.20x = 249,751.80 × 82,277.40
  4. Step 4: Simplify right side
    166,501.20x = 20,548,928,749.32
  5. Step 5: Solve for x
    x = 20,548,928,749.32/166,501.20
  6. Step 6: Final answer
    x = 123,416.10

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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.