Home / 136,050.17-203,968.67-86,025.38

Finding the Fourth Proportional to 136,050.17, 203,968.67 and 86,025.38

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Solution

The fourth proportional to 136,050.17, 203,968.67 and 86,025.38 is: 128,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,050.17 : 203,968.67 = 86,025.38 : x
  2. Step 2: Convert to fraction form
    136,050.17/203,968.67 = 86,025.38/x
  3. Step 3: Cross multiply
    136,050.17x = 203,968.67 × 86,025.38
  4. Step 4: Simplify right side
    136,050.17x = 17,546,480,894.87
  5. Step 5: Solve for x
    x = 17,546,480,894.87/136,050.17
  6. Step 6: Final answer
    x = 128,970.67

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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.