Home / 180,941.02-249,702.61-100,365.92

Finding the Fourth Proportional to 180,941.02, 249,702.61 and 100,365.92

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Solution

The fourth proportional to 180,941.02, 249,702.61 and 100,365.92 is: 138,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,941.02 : 249,702.61 = 100,365.92 : x
  2. Step 2: Convert to fraction form
    180,941.02/249,702.61 = 100,365.92/x
  3. Step 3: Cross multiply
    180,941.02x = 249,702.61 × 100,365.92
  4. Step 4: Simplify right side
    180,941.02x = 25,061,632,179.05
  5. Step 5: Solve for x
    x = 25,061,632,179.05/180,941.02
  6. Step 6: Final answer
    x = 138,507.19

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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.