Home / 190,965.80-286,312.44-89,707.34

Finding the Fourth Proportional to 190,965.80, 286,312.44 and 89,707.34

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Solution

The fourth proportional to 190,965.80, 286,312.44 and 89,707.34 is: 134,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.80 : 286,312.44 = 89,707.34 : x
  2. Step 2: Convert to fraction form
    190,965.80/286,312.44 = 89,707.34/x
  3. Step 3: Cross multiply
    190,965.80x = 286,312.44 × 89,707.34
  4. Step 4: Simplify right side
    190,965.80x = 25,684,327,401.31
  5. Step 5: Solve for x
    x = 25,684,327,401.31/190,965.80
  6. Step 6: Final answer
    x = 134,497.00

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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.