Home / 173,905.86-239,955.39-105,877.47

Finding the Fourth Proportional to 173,905.86, 239,955.39 and 105,877.47

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Solution

The fourth proportional to 173,905.86, 239,955.39 and 105,877.47 is: 146,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,905.86 : 239,955.39 = 105,877.47 : x
  2. Step 2: Convert to fraction form
    173,905.86/239,955.39 = 105,877.47/x
  3. Step 3: Cross multiply
    173,905.86x = 239,955.39 × 105,877.47
  4. Step 4: Simplify right side
    173,905.86x = 25,405,869,606.06
  5. Step 5: Solve for x
    x = 25,405,869,606.06/173,905.86
  6. Step 6: Final answer
    x = 146,089.78

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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.