Home / 190,238.34-285,437.16-83,567.28

Finding the Fourth Proportional to 190,238.34, 285,437.16 and 83,567.28

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Solution

The fourth proportional to 190,238.34, 285,437.16 and 83,567.28 is: 125,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,238.34 : 285,437.16 = 83,567.28 : x
  2. Step 2: Convert to fraction form
    190,238.34/285,437.16 = 83,567.28/x
  3. Step 3: Cross multiply
    190,238.34x = 285,437.16 × 83,567.28
  4. Step 4: Simplify right side
    190,238.34x = 23,853,207,072.12
  5. Step 5: Solve for x
    x = 23,853,207,072.12/190,238.34
  6. Step 6: Final answer
    x = 125,385.91

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1.5x scale

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.