Home / 170,739.64-256,158.06-58,434.76

Finding the Fourth Proportional to 170,739.64, 256,158.06 and 58,434.76

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Solution

The fourth proportional to 170,739.64, 256,158.06 and 58,434.76 is: 87,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,739.64 : 256,158.06 = 58,434.76 : x
  2. Step 2: Convert to fraction form
    170,739.64/256,158.06 = 58,434.76/x
  3. Step 3: Cross multiply
    170,739.64x = 256,158.06 × 58,434.76
  4. Step 4: Simplify right side
    170,739.64x = 14,968,534,758.17
  5. Step 5: Solve for x
    x = 14,968,534,758.17/170,739.64
  6. Step 6: Final answer
    x = 87,668.77

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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.