Home / 156,870.08-216,485.91-92,327.61

Finding the Fourth Proportional to 156,870.08, 216,485.91 and 92,327.61

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Solution

The fourth proportional to 156,870.08, 216,485.91 and 92,327.61 is: 127,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870.08 : 216,485.91 = 92,327.61 : x
  2. Step 2: Convert to fraction form
    156,870.08/216,485.91 = 92,327.61/x
  3. Step 3: Cross multiply
    156,870.08x = 216,485.91 × 92,327.61
  4. Step 4: Simplify right side
    156,870.08x = 19,987,626,668.98
  5. Step 5: Solve for x
    x = 19,987,626,668.98/156,870.08
  6. Step 6: Final answer
    x = 127,415.17

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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.