Home / 177,623.80-245,089.93-105,999.55

Finding the Fourth Proportional to 177,623.80, 245,089.93 and 105,999.55

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Solution

The fourth proportional to 177,623.80, 245,089.93 and 105,999.55 is: 146,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,623.80 : 245,089.93 = 105,999.55 : x
  2. Step 2: Convert to fraction form
    177,623.80/245,089.93 = 105,999.55/x
  3. Step 3: Cross multiply
    177,623.80x = 245,089.93 × 105,999.55
  4. Step 4: Simplify right side
    177,623.80x = 25,979,422,289.53
  5. Step 5: Solve for x
    x = 25,979,422,289.53/177,623.80
  6. Step 6: Final answer
    x = 146,260.93

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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.