Home / 177,661.43-245,094.02-105,999.79

Finding the Fourth Proportional to 177,661.43, 245,094.02 and 105,999.79

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Solution

The fourth proportional to 177,661.43, 245,094.02 and 105,999.79 is: 146,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,661.43 : 245,094.02 = 105,999.79 : x
  2. Step 2: Convert to fraction form
    177,661.43/245,094.02 = 105,999.79/x
  3. Step 3: Cross multiply
    177,661.43x = 245,094.02 × 105,999.79
  4. Step 4: Simplify right side
    177,661.43x = 25,979,913,424.79
  5. Step 5: Solve for x
    x = 25,979,913,424.79/177,661.43
  6. Step 6: Final answer
    x = 146,232.72

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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.