Home / 317,890.56-476,966.40-151,572.48

Finding the Fourth Proportional to 317,890.56, 476,966.40 and 151,572.48

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Solution

The fourth proportional to 317,890.56, 476,966.40 and 151,572.48 is: 227,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,890.56 : 476,966.40 = 151,572.48 : x
  2. Step 2: Convert to fraction form
    317,890.56/476,966.40 = 151,572.48/x
  3. Step 3: Cross multiply
    317,890.56x = 476,966.40 × 151,572.48
  4. Step 4: Simplify right side
    317,890.56x = 72,294,980,124.67
  5. Step 5: Solve for x
    x = 72,294,980,124.67/317,890.56
  6. Step 6: Final answer
    x = 227,420.97

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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.