Home / 236,580.36-354,927-78,810.12

Finding the Fourth Proportional to 236,580.36, 354,927 and 78,810.12

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Solution

The fourth proportional to 236,580.36, 354,927 and 78,810.12 is: 118,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,580.36 : 354,927 = 78,810.12 : x
  2. Step 2: Convert to fraction form
    236,580.36/354,927 = 78,810.12/x
  3. Step 3: Cross multiply
    236,580.36x = 354,927 × 78,810.12
  4. Step 4: Simplify right side
    236,580.36x = 27,971,839,461.24
  5. Step 5: Solve for x
    x = 27,971,839,461.24/236,580.36
  6. Step 6: Final answer
    x = 118,233.99

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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.