Home / 190,561.95-285,750.32-57,417.39

Finding the Fourth Proportional to 190,561.95, 285,750.32 and 57,417.39

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Solution

The fourth proportional to 190,561.95, 285,750.32 and 57,417.39 is: 86,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,561.95 : 285,750.32 = 57,417.39 : x
  2. Step 2: Convert to fraction form
    190,561.95/285,750.32 = 57,417.39/x
  3. Step 3: Cross multiply
    190,561.95x = 285,750.32 × 57,417.39
  4. Step 4: Simplify right side
    190,561.95x = 16,407,037,278.98
  5. Step 5: Solve for x
    x = 16,407,037,278.98/190,561.95
  6. Step 6: Final answer
    x = 86,098.18

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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.