Home / 118,837.34-177,017.88-112,526.43

Finding the Fourth Proportional to 118,837.34, 177,017.88 and 112,526.43

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Solution

The fourth proportional to 118,837.34, 177,017.88 and 112,526.43 is: 167,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,837.34 : 177,017.88 = 112,526.43 : x
  2. Step 2: Convert to fraction form
    118,837.34/177,017.88 = 112,526.43/x
  3. Step 3: Cross multiply
    118,837.34x = 177,017.88 × 112,526.43
  4. Step 4: Simplify right side
    118,837.34x = 19,919,190,082.57
  5. Step 5: Solve for x
    x = 19,919,190,082.57/118,837.34
  6. Step 6: Final answer
    x = 167,617.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.