Home / 157,362.07-235,763.23-90,664.40

Finding the Fourth Proportional to 157,362.07, 235,763.23 and 90,664.40

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Solution

The fourth proportional to 157,362.07, 235,763.23 and 90,664.40 is: 135,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,362.07 : 235,763.23 = 90,664.40 : x
  2. Step 2: Convert to fraction form
    157,362.07/235,763.23 = 90,664.40/x
  3. Step 3: Cross multiply
    157,362.07x = 235,763.23 × 90,664.40
  4. Step 4: Simplify right side
    157,362.07x = 21,375,331,790.01
  5. Step 5: Solve for x
    x = 21,375,331,790.01/157,362.07
  6. Step 6: Final answer
    x = 135,835.35

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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.