Home / 153,010.26-211,152.69-84,099.78

Finding the Fourth Proportional to 153,010.26, 211,152.69 and 84,099.78

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Solution

The fourth proportional to 153,010.26, 211,152.69 and 84,099.78 is: 116,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.26 : 211,152.69 = 84,099.78 : x
  2. Step 2: Convert to fraction form
    153,010.26/211,152.69 = 84,099.78/x
  3. Step 3: Cross multiply
    153,010.26x = 211,152.69 × 84,099.78
  4. Step 4: Simplify right side
    153,010.26x = 17,757,894,775.41
  5. Step 5: Solve for x
    x = 17,757,894,775.41/153,010.26
  6. Step 6: Final answer
    x = 116,056.89

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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.