Home / 153,644.43-230,570.84-53,805.45

Finding the Fourth Proportional to 153,644.43, 230,570.84 and 53,805.45

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Solution

The fourth proportional to 153,644.43, 230,570.84 and 53,805.45 is: 80,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,644.43 : 230,570.84 = 53,805.45 : x
  2. Step 2: Convert to fraction form
    153,644.43/230,570.84 = 53,805.45/x
  3. Step 3: Cross multiply
    153,644.43x = 230,570.84 × 53,805.45
  4. Step 4: Simplify right side
    153,644.43x = 12,405,967,803.08
  5. Step 5: Solve for x
    x = 12,405,967,803.08/153,644.43
  6. Step 6: Final answer
    x = 80,744.66

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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.