Home / 203,527.07-280,542.93-160,436.34

Finding the Fourth Proportional to 203,527.07, 280,542.93 and 160,436.34

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Solution

The fourth proportional to 203,527.07, 280,542.93 and 160,436.34 is: 221,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,527.07 : 280,542.93 = 160,436.34 : x
  2. Step 2: Convert to fraction form
    203,527.07/280,542.93 = 160,436.34/x
  3. Step 3: Cross multiply
    203,527.07x = 280,542.93 × 160,436.34
  4. Step 4: Simplify right side
    203,527.07x = 45,009,280,902.08
  5. Step 5: Solve for x
    x = 45,009,280,902.08/203,527.07
  6. Step 6: Final answer
    x = 221,146.41

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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.