Home / 165,905.60-249,376.80-162,795.20

Finding the Fourth Proportional to 165,905.60, 249,376.80 and 162,795.20

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Solution

The fourth proportional to 165,905.60, 249,376.80 and 162,795.20 is: 244,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,905.60 : 249,376.80 = 162,795.20 : x
  2. Step 2: Convert to fraction form
    165,905.60/249,376.80 = 162,795.20/x
  3. Step 3: Cross multiply
    165,905.60x = 249,376.80 × 162,795.20
  4. Step 4: Simplify right side
    165,905.60x = 40,597,346,031.36
  5. Step 5: Solve for x
    x = 40,597,346,031.36/165,905.60
  6. Step 6: Final answer
    x = 244,701.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.