Home / 314,815.96-434,433.34-171,572.92

Finding the Fourth Proportional to 314,815.96, 434,433.34 and 171,572.92

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Solution

The fourth proportional to 314,815.96, 434,433.34 and 171,572.92 is: 236,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,815.96 : 434,433.34 = 171,572.92 : x
  2. Step 2: Convert to fraction form
    314,815.96/434,433.34 = 171,572.92/x
  3. Step 3: Cross multiply
    314,815.96x = 434,433.34 × 171,572.92
  4. Step 4: Simplify right side
    314,815.96x = 74,536,996,689.15
  5. Step 5: Solve for x
    x = 74,536,996,689.15/314,815.96
  6. Step 6: Final answer
    x = 236,763.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.