Home / 119,478.53-164,879.06-65,762.39

Finding the Fourth Proportional to 119,478.53, 164,879.06 and 65,762.39

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Solution

The fourth proportional to 119,478.53, 164,879.06 and 65,762.39 is: 90,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,478.53 : 164,879.06 = 65,762.39 : x
  2. Step 2: Convert to fraction form
    119,478.53/164,879.06 = 65,762.39/x
  3. Step 3: Cross multiply
    119,478.53x = 164,879.06 × 65,762.39
  4. Step 4: Simplify right side
    119,478.53x = 10,842,841,046.55
  5. Step 5: Solve for x
    x = 10,842,841,046.55/119,478.53
  6. Step 6: Final answer
    x = 90,751.38

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1.5x scale

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.