Home / 157,788.40-236,683.80-52,607.20

Finding the Fourth Proportional to 157,788.40, 236,683.80 and 52,607.20

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Solution

The fourth proportional to 157,788.40, 236,683.80 and 52,607.20 is: 78,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788.40 : 236,683.80 = 52,607.20 : x
  2. Step 2: Convert to fraction form
    157,788.40/236,683.80 = 52,607.20/x
  3. Step 3: Cross multiply
    157,788.40x = 236,683.80 × 52,607.20
  4. Step 4: Simplify right side
    157,788.40x = 12,451,272,003.36
  5. Step 5: Solve for x
    x = 12,451,272,003.36/157,788.40
  6. Step 6: Final answer
    x = 78,911.20

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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.