Home / 180,665.33-249,307.36-100,087.02

Finding the Fourth Proportional to 180,665.33, 249,307.36 and 100,087.02

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Solution

The fourth proportional to 180,665.33, 249,307.36 and 100,087.02 is: 138,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,665.33 : 249,307.36 = 100,087.02 : x
  2. Step 2: Convert to fraction form
    180,665.33/249,307.36 = 100,087.02/x
  3. Step 3: Cross multiply
    180,665.33x = 249,307.36 × 100,087.02
  4. Step 4: Simplify right side
    180,665.33x = 24,952,430,476.25
  5. Step 5: Solve for x
    x = 24,952,430,476.25/180,665.33
  6. Step 6: Final answer
    x = 138,114.11

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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.