Home / 200,119.04-276,010.40-139,670.40

Finding the Fourth Proportional to 200,119.04, 276,010.40 and 139,670.40

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Solution

The fourth proportional to 200,119.04, 276,010.40 and 139,670.40 is: 192,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,119.04 : 276,010.40 = 139,670.40 : x
  2. Step 2: Convert to fraction form
    200,119.04/276,010.40 = 139,670.40/x
  3. Step 3: Cross multiply
    200,119.04x = 276,010.40 × 139,670.40
  4. Step 4: Simplify right side
    200,119.04x = 38,550,482,972.16
  5. Step 5: Solve for x
    x = 38,550,482,972.16/200,119.04
  6. Step 6: Final answer
    x = 192,637.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.