Home / 190,208.17-285,331.28-70,296.63

Finding the Fourth Proportional to 190,208.17, 285,331.28 and 70,296.63

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Solution

The fourth proportional to 190,208.17, 285,331.28 and 70,296.63 is: 105,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.17 : 285,331.28 = 70,296.63 : x
  2. Step 2: Convert to fraction form
    190,208.17/285,331.28 = 70,296.63/x
  3. Step 3: Cross multiply
    190,208.17x = 285,331.28 × 70,296.63
  4. Step 4: Simplify right side
    190,208.17x = 20,057,828,996.72
  5. Step 5: Solve for x
    x = 20,057,828,996.72/190,208.17
  6. Step 6: Final answer
    x = 105,451.98

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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.