Home / 157,111.22-235,703.72-51,930.17

Finding the Fourth Proportional to 157,111.22, 235,703.72 and 51,930.17

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Solution

The fourth proportional to 157,111.22, 235,703.72 and 51,930.17 is: 77,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,111.22 : 235,703.72 = 51,930.17 : x
  2. Step 2: Convert to fraction form
    157,111.22/235,703.72 = 51,930.17/x
  3. Step 3: Cross multiply
    157,111.22x = 235,703.72 × 51,930.17
  4. Step 4: Simplify right side
    157,111.22x = 12,240,134,968.32
  5. Step 5: Solve for x
    x = 12,240,134,968.32/157,111.22
  6. Step 6: Final answer
    x = 77,907.46

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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.