Home / 158,688.78-238,055.37-46,377.21

Finding the Fourth Proportional to 158,688.78, 238,055.37 and 46,377.21

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Solution

The fourth proportional to 158,688.78, 238,055.37 and 46,377.21 is: 69,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,688.78 : 238,055.37 = 46,377.21 : x
  2. Step 2: Convert to fraction form
    158,688.78/238,055.37 = 46,377.21/x
  3. Step 3: Cross multiply
    158,688.78x = 238,055.37 × 46,377.21
  4. Step 4: Simplify right side
    158,688.78x = 11,040,343,886.12
  5. Step 5: Solve for x
    x = 11,040,343,886.12/158,688.78
  6. Step 6: Final answer
    x = 69,572.30

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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.