Home / 157,905.66-236,848.77-52,715.82

Finding the Fourth Proportional to 157,905.66, 236,848.77 and 52,715.82

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Solution

The fourth proportional to 157,905.66, 236,848.77 and 52,715.82 is: 79,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,905.66 : 236,848.77 = 52,715.82 : x
  2. Step 2: Convert to fraction form
    157,905.66/236,848.77 = 52,715.82/x
  3. Step 3: Cross multiply
    157,905.66x = 236,848.77 × 52,715.82
  4. Step 4: Simplify right side
    157,905.66x = 12,485,677,126.54
  5. Step 5: Solve for x
    x = 12,485,677,126.54/157,905.66
  6. Step 6: Final answer
    x = 79,070.49

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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.