Home / 389,291.10-583,612.65-164,823.90

Finding the Fourth Proportional to 389,291.10, 583,612.65 and 164,823.90

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Solution

The fourth proportional to 389,291.10, 583,612.65 and 164,823.90 is: 247,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,291.10 : 583,612.65 = 164,823.90 : x
  2. Step 2: Convert to fraction form
    389,291.10/583,612.65 = 164,823.90/x
  3. Step 3: Cross multiply
    389,291.10x = 583,612.65 × 164,823.90
  4. Step 4: Simplify right side
    389,291.10x = 96,193,313,062.34
  5. Step 5: Solve for x
    x = 96,193,313,062.34/389,291.10
  6. Step 6: Final answer
    x = 247,098.67

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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.