Home / 180,893.04-249,632.31-100,332.87

Finding the Fourth Proportional to 180,893.04, 249,632.31 and 100,332.87

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Solution

The fourth proportional to 180,893.04, 249,632.31 and 100,332.87 is: 138,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,893.04 : 249,632.31 = 100,332.87 : x
  2. Step 2: Convert to fraction form
    180,893.04/249,632.31 = 100,332.87/x
  3. Step 3: Cross multiply
    180,893.04x = 249,632.31 × 100,332.87
  4. Step 4: Simplify right side
    180,893.04x = 25,046,326,107.03
  5. Step 5: Solve for x
    x = 25,046,326,107.03/180,893.04
  6. Step 6: Final answer
    x = 138,459.31

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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.