Home / 190,038.96-262,242.90-105,150.96

Finding the Fourth Proportional to 190,038.96, 262,242.90 and 105,150.96

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Solution

The fourth proportional to 190,038.96, 262,242.90 and 105,150.96 is: 145,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,038.96 : 262,242.90 = 105,150.96 : x
  2. Step 2: Convert to fraction form
    190,038.96/262,242.90 = 105,150.96/x
  3. Step 3: Cross multiply
    190,038.96x = 262,242.90 × 105,150.96
  4. Step 4: Simplify right side
    190,038.96x = 27,575,092,688.18
  5. Step 5: Solve for x
    x = 27,575,092,688.18/190,038.96
  6. Step 6: Final answer
    x = 145,102.31

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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.