Home / 190,679.04-285,927.57-70,653.60

Finding the Fourth Proportional to 190,679.04, 285,927.57 and 70,653.60

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Solution

The fourth proportional to 190,679.04, 285,927.57 and 70,653.60 is: 105,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679.04 : 285,927.57 = 70,653.60 : x
  2. Step 2: Convert to fraction form
    190,679.04/285,927.57 = 70,653.60/x
  3. Step 3: Cross multiply
    190,679.04x = 285,927.57 × 70,653.60
  4. Step 4: Simplify right side
    190,679.04x = 20,201,812,159.75
  5. Step 5: Solve for x
    x = 20,201,812,159.75/190,679.04
  6. Step 6: Final answer
    x = 105,946.68

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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.