Home / 156,771.45-216,363.25-93,109.40

Finding the Fourth Proportional to 156,771.45, 216,363.25 and 93,109.40

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Solution

The fourth proportional to 156,771.45, 216,363.25 and 93,109.40 is: 128,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,771.45 : 216,363.25 = 93,109.40 : x
  2. Step 2: Convert to fraction form
    156,771.45/216,363.25 = 93,109.40/x
  3. Step 3: Cross multiply
    156,771.45x = 216,363.25 × 93,109.40
  4. Step 4: Simplify right side
    156,771.45x = 20,145,452,235.48
  5. Step 5: Solve for x
    x = 20,145,452,235.48/156,771.45
  6. Step 6: Final answer
    x = 128,502.05

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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.