Home / 157,143.51-235,527.93-109,500.66

Finding the Fourth Proportional to 157,143.51, 235,527.93 and 109,500.66

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Solution

The fourth proportional to 157,143.51, 235,527.93 and 109,500.66 is: 164,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,143.51 : 235,527.93 = 109,500.66 : x
  2. Step 2: Convert to fraction form
    157,143.51/235,527.93 = 109,500.66/x
  3. Step 3: Cross multiply
    157,143.51x = 235,527.93 × 109,500.66
  4. Step 4: Simplify right side
    157,143.51x = 25,790,463,783.43
  5. Step 5: Solve for x
    x = 25,790,463,783.43/157,143.51
  6. Step 6: Final answer
    x = 164,120.45

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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.