Home / 147,479.60-203,537.46-90,152.48

Finding the Fourth Proportional to 147,479.60, 203,537.46 and 90,152.48

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Solution

The fourth proportional to 147,479.60, 203,537.46 and 90,152.48 is: 124,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,479.60 : 203,537.46 = 90,152.48 : x
  2. Step 2: Convert to fraction form
    147,479.60/203,537.46 = 90,152.48/x
  3. Step 3: Cross multiply
    147,479.60x = 203,537.46 × 90,152.48
  4. Step 4: Simplify right side
    147,479.60x = 18,349,405,986.81
  5. Step 5: Solve for x
    x = 18,349,405,986.81/147,479.60
  6. Step 6: Final answer
    x = 124,419.96

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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.