Home / 209,577.50-288,576.48-157,969.58

Finding the Fourth Proportional to 209,577.50, 288,576.48 and 157,969.58

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Solution

The fourth proportional to 209,577.50, 288,576.48 and 157,969.58 is: 217,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,577.50 : 288,576.48 = 157,969.58 : x
  2. Step 2: Convert to fraction form
    209,577.50/288,576.48 = 157,969.58/x
  3. Step 3: Cross multiply
    209,577.50x = 288,576.48 × 157,969.58
  4. Step 4: Simplify right side
    209,577.50x = 45,586,303,900.60
  5. Step 5: Solve for x
    x = 45,586,303,900.60/209,577.50
  6. Step 6: Final answer
    x = 217,515.26

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1.5x scale

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.