Home / 153,538.44-211,883.46-89,020.18

Finding the Fourth Proportional to 153,538.44, 211,883.46 and 89,020.18

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Solution

The fourth proportional to 153,538.44, 211,883.46 and 89,020.18 is: 122,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,538.44 : 211,883.46 = 89,020.18 : x
  2. Step 2: Convert to fraction form
    153,538.44/211,883.46 = 89,020.18/x
  3. Step 3: Cross multiply
    153,538.44x = 211,883.46 × 89,020.18
  4. Step 4: Simplify right side
    153,538.44x = 18,861,903,748.22
  5. Step 5: Solve for x
    x = 18,861,903,748.22/153,538.44
  6. Step 6: Final answer
    x = 122,848.09

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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.