Home / 180,656.19-249,298.44-100,084.98

Finding the Fourth Proportional to 180,656.19, 249,298.44 and 100,084.98

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Solution

The fourth proportional to 180,656.19, 249,298.44 and 100,084.98 is: 138,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,656.19 : 249,298.44 = 100,084.98 : x
  2. Step 2: Convert to fraction form
    180,656.19/249,298.44 = 100,084.98/x
  3. Step 3: Cross multiply
    180,656.19x = 249,298.44 × 100,084.98
  4. Step 4: Simplify right side
    180,656.19x = 24,951,029,381.43
  5. Step 5: Solve for x
    x = 24,951,029,381.43/180,656.19
  6. Step 6: Final answer
    x = 138,113.34

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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.