Home / 119,803.36-179,637.60-39,798.50

Finding the Fourth Proportional to 119,803.36, 179,637.60 and 39,798.50

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Solution

The fourth proportional to 119,803.36, 179,637.60 and 39,798.50 is: 59,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,803.36 : 179,637.60 = 39,798.50 : x
  2. Step 2: Convert to fraction form
    119,803.36/179,637.60 = 39,798.50/x
  3. Step 3: Cross multiply
    119,803.36x = 179,637.60 × 39,798.50
  4. Step 4: Simplify right side
    119,803.36x = 7,149,307,023.60
  5. Step 5: Solve for x
    x = 7,149,307,023.60/119,803.36
  6. Step 6: Final answer
    x = 59,675.35

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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.