Home / 180,712.19-249,384.28-100,141.06

Finding the Fourth Proportional to 180,712.19, 249,384.28 and 100,141.06

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Solution

The fourth proportional to 180,712.19, 249,384.28 and 100,141.06 is: 138,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,712.19 : 249,384.28 = 100,141.06 : x
  2. Step 2: Convert to fraction form
    180,712.19/249,384.28 = 100,141.06/x
  3. Step 3: Cross multiply
    180,712.19x = 249,384.28 × 100,141.06
  4. Step 4: Simplify right side
    180,712.19x = 24,973,604,899.62
  5. Step 5: Solve for x
    x = 24,973,604,899.62/180,712.19
  6. Step 6: Final answer
    x = 138,195.47

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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.