Home / 190,678.62-285,927.01-70,653.23

Finding the Fourth Proportional to 190,678.62, 285,927.01 and 70,653.23

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Solution

The fourth proportional to 190,678.62, 285,927.01 and 70,653.23 is: 105,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,678.62 : 285,927.01 = 70,653.23 : x
  2. Step 2: Convert to fraction form
    190,678.62/285,927.01 = 70,653.23/x
  3. Step 3: Cross multiply
    190,678.62x = 285,927.01 × 70,653.23
  4. Step 4: Simplify right side
    190,678.62x = 20,201,665,194.47
  5. Step 5: Solve for x
    x = 20,201,665,194.47/190,678.62
  6. Step 6: Final answer
    x = 105,946.15

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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.