Home / 130,312.31-179,829.77-73,723.69

Finding the Fourth Proportional to 130,312.31, 179,829.77 and 73,723.69

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Solution

The fourth proportional to 130,312.31, 179,829.77 and 73,723.69 is: 101,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312.31 : 179,829.77 = 73,723.69 : x
  2. Step 2: Convert to fraction form
    130,312.31/179,829.77 = 73,723.69/x
  3. Step 3: Cross multiply
    130,312.31x = 179,829.77 × 73,723.69
  4. Step 4: Simplify right side
    130,312.31x = 13,257,713,950.99
  5. Step 5: Solve for x
    x = 13,257,713,950.99/130,312.31
  6. Step 6: Final answer
    x = 101,738.00

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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.