Home / 157,072.77-235,566.63-107,143.56

Finding the Fourth Proportional to 157,072.77, 235,566.63 and 107,143.56

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Solution

The fourth proportional to 157,072.77, 235,566.63 and 107,143.56 is: 160,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,072.77 : 235,566.63 = 107,143.56 : x
  2. Step 2: Convert to fraction form
    157,072.77/235,566.63 = 107,143.56/x
  3. Step 3: Cross multiply
    157,072.77x = 235,566.63 × 107,143.56
  4. Step 4: Simplify right side
    157,072.77x = 25,239,447,355.40
  5. Step 5: Solve for x
    x = 25,239,447,355.40/157,072.77
  6. Step 6: Final answer
    x = 160,686.33

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1.5x scale

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.