Home / 157,878.30-236,848.56-51,242.34

Finding the Fourth Proportional to 157,878.30, 236,848.56 and 51,242.34

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Solution

The fourth proportional to 157,878.30, 236,848.56 and 51,242.34 is: 76,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,878.30 : 236,848.56 = 51,242.34 : x
  2. Step 2: Convert to fraction form
    157,878.30/236,848.56 = 51,242.34/x
  3. Step 3: Cross multiply
    157,878.30x = 236,848.56 × 51,242.34
  4. Step 4: Simplify right side
    157,878.30x = 12,136,674,440.03
  5. Step 5: Solve for x
    x = 12,136,674,440.03/157,878.30
  6. Step 6: Final answer
    x = 76,873.61

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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.