Home / 103,621.90-154,676.32-88,925.26

Finding the Fourth Proportional to 103,621.90, 154,676.32 and 88,925.26

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Solution

The fourth proportional to 103,621.90, 154,676.32 and 88,925.26 is: 132,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.90 : 154,676.32 = 88,925.26 : x
  2. Step 2: Convert to fraction form
    103,621.90/154,676.32 = 88,925.26/x
  3. Step 3: Cross multiply
    103,621.90x = 154,676.32 × 88,925.26
  4. Step 4: Simplify right side
    103,621.90x = 13,754,631,971.84
  5. Step 5: Solve for x
    x = 13,754,631,971.84/103,621.90
  6. Step 6: Final answer
    x = 132,738.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.