Home / 130,048.06-179,473.62-76,348.66

Finding the Fourth Proportional to 130,048.06, 179,473.62 and 76,348.66

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Solution

The fourth proportional to 130,048.06, 179,473.62 and 76,348.66 is: 105,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.06 : 179,473.62 = 76,348.66 : x
  2. Step 2: Convert to fraction form
    130,048.06/179,473.62 = 76,348.66/x
  3. Step 3: Cross multiply
    130,048.06x = 179,473.62 × 76,348.66
  4. Step 4: Simplify right side
    130,048.06x = 13,702,570,392.35
  5. Step 5: Solve for x
    x = 13,702,570,392.35/130,048.06
  6. Step 6: Final answer
    x = 105,365.43

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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.