Home / 180,154.49-248,637.89-103,672.01

Finding the Fourth Proportional to 180,154.49, 248,637.89 and 103,672.01

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Solution

The fourth proportional to 180,154.49, 248,637.89 and 103,672.01 is: 143,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.49 : 248,637.89 = 103,672.01 : x
  2. Step 2: Convert to fraction form
    180,154.49/248,637.89 = 103,672.01/x
  3. Step 3: Cross multiply
    180,154.49x = 248,637.89 × 103,672.01
  4. Step 4: Simplify right side
    180,154.49x = 25,776,789,818.46
  5. Step 5: Solve for x
    x = 25,776,789,818.46/180,154.49
  6. Step 6: Final answer
    x = 143,081.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.