Home / 157,078.17-235,477.80-57,219.75

Finding the Fourth Proportional to 157,078.17, 235,477.80 and 57,219.75

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Solution

The fourth proportional to 157,078.17, 235,477.80 and 57,219.75 is: 85,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,078.17 : 235,477.80 = 57,219.75 : x
  2. Step 2: Convert to fraction form
    157,078.17/235,477.80 = 57,219.75/x
  3. Step 3: Cross multiply
    157,078.17x = 235,477.80 × 57,219.75
  4. Step 4: Simplify right side
    157,078.17x = 13,473,980,846.55
  5. Step 5: Solve for x
    x = 13,473,980,846.55/157,078.17
  6. Step 6: Final answer
    x = 85,778.82

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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.