Home / 110,398.09-152,011.98-83,213.68

Finding the Fourth Proportional to 110,398.09, 152,011.98 and 83,213.68

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Solution

The fourth proportional to 110,398.09, 152,011.98 and 83,213.68 is: 114,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,398.09 : 152,011.98 = 83,213.68 : x
  2. Step 2: Convert to fraction form
    110,398.09/152,011.98 = 83,213.68/x
  3. Step 3: Cross multiply
    110,398.09x = 152,011.98 × 83,213.68
  4. Step 4: Simplify right side
    110,398.09x = 12,649,476,259.89
  5. Step 5: Solve for x
    x = 12,649,476,259.89/110,398.09
  6. Step 6: Final answer
    x = 114,580.57

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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.