Home / 157,344.98-236,017.70-120,116.43

Finding the Fourth Proportional to 157,344.98, 236,017.70 and 120,116.43

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Solution

The fourth proportional to 157,344.98, 236,017.70 and 120,116.43 is: 180,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,344.98 : 236,017.70 = 120,116.43 : x
  2. Step 2: Convert to fraction form
    157,344.98/236,017.70 = 120,116.43/x
  3. Step 3: Cross multiply
    157,344.98x = 236,017.70 × 120,116.43
  4. Step 4: Simplify right side
    157,344.98x = 28,349,602,940.23
  5. Step 5: Solve for x
    x = 28,349,602,940.23/157,344.98
  6. Step 6: Final answer
    x = 180,174.82

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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.