Home / 157,113.09-235,706.54-51,932.06

Finding the Fourth Proportional to 157,113.09, 235,706.54 and 51,932.06

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Solution

The fourth proportional to 157,113.09, 235,706.54 and 51,932.06 is: 77,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,113.09 : 235,706.54 = 51,932.06 : x
  2. Step 2: Convert to fraction form
    157,113.09/235,706.54 = 51,932.06/x
  3. Step 3: Cross multiply
    157,113.09x = 235,706.54 × 51,932.06
  4. Step 4: Simplify right side
    157,113.09x = 12,240,724,739.48
  5. Step 5: Solve for x
    x = 12,240,724,739.48/157,113.09
  6. Step 6: Final answer
    x = 77,910.28

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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.