Home / 180,669.15-249,302.88-100,076.58

Finding the Fourth Proportional to 180,669.15, 249,302.88 and 100,076.58

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Solution

The fourth proportional to 180,669.15, 249,302.88 and 100,076.58 is: 138,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,669.15 : 249,302.88 = 100,076.58 : x
  2. Step 2: Convert to fraction form
    180,669.15/249,302.88 = 100,076.58/x
  3. Step 3: Cross multiply
    180,669.15x = 249,302.88 × 100,076.58
  4. Step 4: Simplify right side
    180,669.15x = 24,949,379,614.55
  5. Step 5: Solve for x
    x = 24,949,379,614.55/180,669.15
  6. Step 6: Final answer
    x = 138,094.30

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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.