Home / 156,675.94-216,313.27-107,699.00

Finding the Fourth Proportional to 156,675.94, 216,313.27 and 107,699.00

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Solution

The fourth proportional to 156,675.94, 216,313.27 and 107,699.00 is: 148,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,675.94 : 216,313.27 = 107,699.00 : x
  2. Step 2: Convert to fraction form
    156,675.94/216,313.27 = 107,699.00/x
  3. Step 3: Cross multiply
    156,675.94x = 216,313.27 × 107,699.00
  4. Step 4: Simplify right side
    156,675.94x = 23,296,723,417.07
  5. Step 5: Solve for x
    x = 23,296,723,417.07/156,675.94
  6. Step 6: Final answer
    x = 148,693.69

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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.