Home / 152,899.47-211,032.32-88,371.45

Finding the Fourth Proportional to 152,899.47, 211,032.32 and 88,371.45

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Solution

The fourth proportional to 152,899.47, 211,032.32 and 88,371.45 is: 121,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,899.47 : 211,032.32 = 88,371.45 : x
  2. Step 2: Convert to fraction form
    152,899.47/211,032.32 = 88,371.45/x
  3. Step 3: Cross multiply
    152,899.47x = 211,032.32 × 88,371.45
  4. Step 4: Simplify right side
    152,899.47x = 18,649,231,673.41
  5. Step 5: Solve for x
    x = 18,649,231,673.41/152,899.47
  6. Step 6: Final answer
    x = 121,970.54

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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.