Home / 157,361.08-235,730.58-74,313.40

Finding the Fourth Proportional to 157,361.08, 235,730.58 and 74,313.40

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Solution

The fourth proportional to 157,361.08, 235,730.58 and 74,313.40 is: 111,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,361.08 : 235,730.58 = 74,313.40 : x
  2. Step 2: Convert to fraction form
    157,361.08/235,730.58 = 74,313.40/x
  3. Step 3: Cross multiply
    157,361.08x = 235,730.58 × 74,313.40
  4. Step 4: Simplify right side
    157,361.08x = 17,517,940,883.77
  5. Step 5: Solve for x
    x = 17,517,940,883.77/157,361.08
  6. Step 6: Final answer
    x = 111,323.21

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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.