Home / 154,094-212,645.60-86,111.52

Finding the Fourth Proportional to 154,094, 212,645.60 and 86,111.52

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Solution

The fourth proportional to 154,094, 212,645.60 and 86,111.52 is: 118,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,094 : 212,645.60 = 86,111.52 : x
  2. Step 2: Convert to fraction form
    154,094/212,645.60 = 86,111.52/x
  3. Step 3: Cross multiply
    154,094x = 212,645.60 × 86,111.52
  4. Step 4: Simplify right side
    154,094x = 18,311,235,837.31
  5. Step 5: Solve for x
    x = 18,311,235,837.31/154,094
  6. Step 6: Final answer
    x = 118,831.60

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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.