Home / 354,501.50-531,752.26-105,183.50

Finding the Fourth Proportional to 354,501.50, 531,752.26 and 105,183.50

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Solution

The fourth proportional to 354,501.50, 531,752.26 and 105,183.50 is: 157,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,501.50 : 531,752.26 = 105,183.50 : x
  2. Step 2: Convert to fraction form
    354,501.50/531,752.26 = 105,183.50/x
  3. Step 3: Cross multiply
    354,501.50x = 531,752.26 × 105,183.50
  4. Step 4: Simplify right side
    354,501.50x = 55,931,563,839.71
  5. Step 5: Solve for x
    x = 55,931,563,839.71/354,501.50
  6. Step 6: Final answer
    x = 157,775.25

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1.5x scale

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.