Home / 157,636.49-236,490.37-52,459.61

Finding the Fourth Proportional to 157,636.49, 236,490.37 and 52,459.61

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Solution

The fourth proportional to 157,636.49, 236,490.37 and 52,459.61 is: 78,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,636.49 : 236,490.37 = 52,459.61 : x
  2. Step 2: Convert to fraction form
    157,636.49/236,490.37 = 52,459.61/x
  3. Step 3: Cross multiply
    157,636.49x = 236,490.37 × 52,459.61
  4. Step 4: Simplify right side
    157,636.49x = 12,406,191,265.35
  5. Step 5: Solve for x
    x = 12,406,191,265.35/157,636.49
  6. Step 6: Final answer
    x = 78,701.27

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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.