Home / 153,563.46-211,820.58-105,733.74

Finding the Fourth Proportional to 153,563.46, 211,820.58 and 105,733.74

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Solution

The fourth proportional to 153,563.46, 211,820.58 and 105,733.74 is: 145,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,563.46 : 211,820.58 = 105,733.74 : x
  2. Step 2: Convert to fraction form
    153,563.46/211,820.58 = 105,733.74/x
  3. Step 3: Cross multiply
    153,563.46x = 211,820.58 × 105,733.74
  4. Step 4: Simplify right side
    153,563.46x = 22,396,582,132.37
  5. Step 5: Solve for x
    x = 22,396,582,132.37/153,563.46
  6. Step 6: Final answer
    x = 145,845.78

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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.