Home / 153,812.96-230,718-48,631.94

Finding the Fourth Proportional to 153,812.96, 230,718 and 48,631.94

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Solution

The fourth proportional to 153,812.96, 230,718 and 48,631.94 is: 72,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,812.96 : 230,718 = 48,631.94 : x
  2. Step 2: Convert to fraction form
    153,812.96/230,718 = 48,631.94/x
  3. Step 3: Cross multiply
    153,812.96x = 230,718 × 48,631.94
  4. Step 4: Simplify right side
    153,812.96x = 11,220,263,932.92
  5. Step 5: Solve for x
    x = 11,220,263,932.92/153,812.96
  6. Step 6: Final answer
    x = 72,947.45

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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.