Home / 113,267.96-156,329.10-65,550.36

Finding the Fourth Proportional to 113,267.96, 156,329.10 and 65,550.36

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Solution

The fourth proportional to 113,267.96, 156,329.10 and 65,550.36 is: 90,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,267.96 : 156,329.10 = 65,550.36 : x
  2. Step 2: Convert to fraction form
    113,267.96/156,329.10 = 65,550.36/x
  3. Step 3: Cross multiply
    113,267.96x = 156,329.10 × 65,550.36
  4. Step 4: Simplify right side
    113,267.96x = 10,247,428,783.48
  5. Step 5: Solve for x
    x = 10,247,428,783.48/113,267.96
  6. Step 6: Final answer
    x = 90,470.67

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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.