Home / 121,956.50-183,848.90-113,828.24

Finding the Fourth Proportional to 121,956.50, 183,848.90 and 113,828.24

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Solution

The fourth proportional to 121,956.50, 183,848.90 and 113,828.24 is: 171,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,956.50 : 183,848.90 = 113,828.24 : x
  2. Step 2: Convert to fraction form
    121,956.50/183,848.90 = 113,828.24/x
  3. Step 3: Cross multiply
    121,956.50x = 183,848.90 × 113,828.24
  4. Step 4: Simplify right side
    121,956.50x = 20,927,196,712.94
  5. Step 5: Solve for x
    x = 20,927,196,712.94/121,956.50
  6. Step 6: Final answer
    x = 171,595.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.