Home / 164,011.98-245,718.26-118,921.72

Finding the Fourth Proportional to 164,011.98, 245,718.26 and 118,921.72

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Solution

The fourth proportional to 164,011.98, 245,718.26 and 118,921.72 is: 178,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011.98 : 245,718.26 = 118,921.72 : x
  2. Step 2: Convert to fraction form
    164,011.98/245,718.26 = 118,921.72/x
  3. Step 3: Cross multiply
    164,011.98x = 245,718.26 × 118,921.72
  4. Step 4: Simplify right side
    164,011.98x = 29,221,238,114.61
  5. Step 5: Solve for x
    x = 29,221,238,114.61/164,011.98
  6. Step 6: Final answer
    x = 178,165.27

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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.