Home / 190,341.20-285,414.60-70,392.08

Finding the Fourth Proportional to 190,341.20, 285,414.60 and 70,392.08

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Solution

The fourth proportional to 190,341.20, 285,414.60 and 70,392.08 is: 105,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,341.20 : 285,414.60 = 70,392.08 : x
  2. Step 2: Convert to fraction form
    190,341.20/285,414.60 = 70,392.08/x
  3. Step 3: Cross multiply
    190,341.20x = 285,414.60 × 70,392.08
  4. Step 4: Simplify right side
    190,341.20x = 20,090,927,356.37
  5. Step 5: Solve for x
    x = 20,090,927,356.37/190,341.20
  6. Step 6: Final answer
    x = 105,552.17

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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.