Home / 190,783.63-286,138.54-95,988.46

Finding the Fourth Proportional to 190,783.63, 286,138.54 and 95,988.46

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Solution

The fourth proportional to 190,783.63, 286,138.54 and 95,988.46 is: 143,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,783.63 : 286,138.54 = 95,988.46 : x
  2. Step 2: Convert to fraction form
    190,783.63/286,138.54 = 95,988.46/x
  3. Step 3: Cross multiply
    190,783.63x = 286,138.54 × 95,988.46
  4. Step 4: Simplify right side
    190,783.63x = 27,465,996,130.30
  5. Step 5: Solve for x
    x = 27,465,996,130.30/190,783.63
  6. Step 6: Final answer
    x = 143,964.11

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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.