Home / 157,943.07-237,025.31-91,291.50

Finding the Fourth Proportional to 157,943.07, 237,025.31 and 91,291.50

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Solution

The fourth proportional to 157,943.07, 237,025.31 and 91,291.50 is: 137,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,943.07 : 237,025.31 = 91,291.50 : x
  2. Step 2: Convert to fraction form
    157,943.07/237,025.31 = 91,291.50/x
  3. Step 3: Cross multiply
    157,943.07x = 237,025.31 × 91,291.50
  4. Step 4: Simplify right side
    157,943.07x = 21,638,395,631.41
  5. Step 5: Solve for x
    x = 21,638,395,631.41/157,943.07
  6. Step 6: Final answer
    x = 137,001.23

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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.