Home / 157,046.36-235,595.99-72,772.34

Finding the Fourth Proportional to 157,046.36, 235,595.99 and 72,772.34

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Solution

The fourth proportional to 157,046.36, 235,595.99 and 72,772.34 is: 109,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,046.36 : 235,595.99 = 72,772.34 : x
  2. Step 2: Convert to fraction form
    157,046.36/235,595.99 = 72,772.34/x
  3. Step 3: Cross multiply
    157,046.36x = 235,595.99 × 72,772.34
  4. Step 4: Simplify right side
    157,046.36x = 17,144,870,490.87
  5. Step 5: Solve for x
    x = 17,144,870,490.87/157,046.36
  6. Step 6: Final answer
    x = 109,170.76

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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.