Home / 190,625.40-285,938.10-105,004.35

Finding the Fourth Proportional to 190,625.40, 285,938.10 and 105,004.35

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Solution

The fourth proportional to 190,625.40, 285,938.10 and 105,004.35 is: 157,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.40 : 285,938.10 = 105,004.35 : x
  2. Step 2: Convert to fraction form
    190,625.40/285,938.10 = 105,004.35/x
  3. Step 3: Cross multiply
    190,625.40x = 285,938.10 × 105,004.35
  4. Step 4: Simplify right side
    190,625.40x = 30,024,744,330.74
  5. Step 5: Solve for x
    x = 30,024,744,330.74/190,625.40
  6. Step 6: Final answer
    x = 157,506.53

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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.