Home / 154,775.17-232,162.77-102,172.35

Finding the Fourth Proportional to 154,775.17, 232,162.77 and 102,172.35

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Solution

The fourth proportional to 154,775.17, 232,162.77 and 102,172.35 is: 153,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,775.17 : 232,162.77 = 102,172.35 : x
  2. Step 2: Convert to fraction form
    154,775.17/232,162.77 = 102,172.35/x
  3. Step 3: Cross multiply
    154,775.17x = 232,162.77 × 102,172.35
  4. Step 4: Simplify right side
    154,775.17x = 23,720,617,047.17
  5. Step 5: Solve for x
    x = 23,720,617,047.17/154,775.17
  6. Step 6: Final answer
    x = 153,258.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.