Home / 291,376.08-402,106.56-164,056.32

Finding the Fourth Proportional to 291,376.08, 402,106.56 and 164,056.32

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Solution

The fourth proportional to 291,376.08, 402,106.56 and 164,056.32 is: 226,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,376.08 : 402,106.56 = 164,056.32 : x
  2. Step 2: Convert to fraction form
    291,376.08/402,106.56 = 164,056.32/x
  3. Step 3: Cross multiply
    291,376.08x = 402,106.56 × 164,056.32
  4. Step 4: Simplify right side
    291,376.08x = 65,968,122,481.46
  5. Step 5: Solve for x
    x = 65,968,122,481.46/291,376.08
  6. Step 6: Final answer
    x = 226,401.98

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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.