Home / 460,261.12-690,557.28-160,785.76

Finding the Fourth Proportional to 460,261.12, 690,557.28 and 160,785.76

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Solution

The fourth proportional to 460,261.12, 690,557.28 and 160,785.76 is: 241,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,261.12 : 690,557.28 = 160,785.76 : x
  2. Step 2: Convert to fraction form
    460,261.12/690,557.28 = 160,785.76/x
  3. Step 3: Cross multiply
    460,261.12x = 690,557.28 × 160,785.76
  4. Step 4: Simplify right side
    460,261.12x = 111,031,777,088.33
  5. Step 5: Solve for x
    x = 111,031,777,088.33/460,261.12
  6. Step 6: Final answer
    x = 241,236.49

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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.