Home / 178,921.90-246,935.58-115,444.36

Finding the Fourth Proportional to 178,921.90, 246,935.58 and 115,444.36

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Solution

The fourth proportional to 178,921.90, 246,935.58 and 115,444.36 is: 159,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,921.90 : 246,935.58 = 115,444.36 : x
  2. Step 2: Convert to fraction form
    178,921.90/246,935.58 = 115,444.36/x
  3. Step 3: Cross multiply
    178,921.90x = 246,935.58 × 115,444.36
  4. Step 4: Simplify right side
    178,921.90x = 28,507,319,994.33
  5. Step 5: Solve for x
    x = 28,507,319,994.33/178,921.90
  6. Step 6: Final answer
    x = 159,328.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.