Home / 157,465.37-236,289.53-66,274.07

Finding the Fourth Proportional to 157,465.37, 236,289.53 and 66,274.07

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Solution

The fourth proportional to 157,465.37, 236,289.53 and 66,274.07 is: 99,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465.37 : 236,289.53 = 66,274.07 : x
  2. Step 2: Convert to fraction form
    157,465.37/236,289.53 = 66,274.07/x
  3. Step 3: Cross multiply
    157,465.37x = 236,289.53 × 66,274.07
  4. Step 4: Simplify right side
    157,465.37x = 15,659,867,835.72
  5. Step 5: Solve for x
    x = 15,659,867,835.72/157,465.37
  6. Step 6: Final answer
    x = 99,449.60

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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.