Home / 190,881.63-286,073.37-106,638.39

Finding the Fourth Proportional to 190,881.63, 286,073.37 and 106,638.39

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Solution

The fourth proportional to 190,881.63, 286,073.37 and 106,638.39 is: 159,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,881.63 : 286,073.37 = 106,638.39 : x
  2. Step 2: Convert to fraction form
    190,881.63/286,073.37 = 106,638.39/x
  3. Step 3: Cross multiply
    190,881.63x = 286,073.37 × 106,638.39
  4. Step 4: Simplify right side
    190,881.63x = 30,506,403,598.67
  5. Step 5: Solve for x
    x = 30,506,403,598.67/190,881.63
  6. Step 6: Final answer
    x = 159,818.44

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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.