Home / 664,110.95-996,059.50-190,688.63

Finding the Fourth Proportional to 664,110.95, 996,059.50 and 190,688.63

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Solution

The fourth proportional to 664,110.95, 996,059.50 and 190,688.63 is: 286,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,110.95 : 996,059.50 = 190,688.63 : x
  2. Step 2: Convert to fraction form
    664,110.95/996,059.50 = 190,688.63/x
  3. Step 3: Cross multiply
    664,110.95x = 996,059.50 × 190,688.63
  4. Step 4: Simplify right side
    664,110.95x = 189,937,220,500.04
  5. Step 5: Solve for x
    x = 189,937,220,500.04/664,110.95
  6. Step 6: Final answer
    x = 286,002.24

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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.