Home / 194,051.36-290,730.75-105,248.22

Finding the Fourth Proportional to 194,051.36, 290,730.75 and 105,248.22

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Solution

The fourth proportional to 194,051.36, 290,730.75 and 105,248.22 is: 157,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,051.36 : 290,730.75 = 105,248.22 : x
  2. Step 2: Convert to fraction form
    194,051.36/290,730.75 = 105,248.22/x
  3. Step 3: Cross multiply
    194,051.36x = 290,730.75 × 105,248.22
  4. Step 4: Simplify right side
    194,051.36x = 30,598,893,936.77
  5. Step 5: Solve for x
    x = 30,598,893,936.77/194,051.36
  6. Step 6: Final answer
    x = 157,684.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.