Home / 203,526.07-280,541.55-160,435.34

Finding the Fourth Proportional to 203,526.07, 280,541.55 and 160,435.34

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Solution

The fourth proportional to 203,526.07, 280,541.55 and 160,435.34 is: 221,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,526.07 : 280,541.55 = 160,435.34 : x
  2. Step 2: Convert to fraction form
    203,526.07/280,541.55 = 160,435.34/x
  3. Step 3: Cross multiply
    203,526.07x = 280,541.55 × 160,435.34
  4. Step 4: Simplify right side
    203,526.07x = 45,008,777,555.67
  5. Step 5: Solve for x
    x = 45,008,777,555.67/203,526.07
  6. Step 6: Final answer
    x = 221,145.03

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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.