Home / 147,289.46-203,259.70-83,627.25

Finding the Fourth Proportional to 147,289.46, 203,259.70 and 83,627.25

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Solution

The fourth proportional to 147,289.46, 203,259.70 and 83,627.25 is: 115,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,289.46 : 203,259.70 = 83,627.25 : x
  2. Step 2: Convert to fraction form
    147,289.46/203,259.70 = 83,627.25/x
  3. Step 3: Cross multiply
    147,289.46x = 203,259.70 × 83,627.25
  4. Step 4: Simplify right side
    147,289.46x = 16,998,049,762.07
  5. Step 5: Solve for x
    x = 16,998,049,762.07/147,289.46
  6. Step 6: Final answer
    x = 115,405.75

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1.5x scale

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.