Home / 199,301.40-275,036.79-127,722.94

Finding the Fourth Proportional to 199,301.40, 275,036.79 and 127,722.94

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Solution

The fourth proportional to 199,301.40, 275,036.79 and 127,722.94 is: 176,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,301.40 : 275,036.79 = 127,722.94 : x
  2. Step 2: Convert to fraction form
    199,301.40/275,036.79 = 127,722.94/x
  3. Step 3: Cross multiply
    199,301.40x = 275,036.79 × 127,722.94
  4. Step 4: Simplify right side
    199,301.40x = 35,128,507,426.96
  5. Step 5: Solve for x
    x = 35,128,507,426.96/199,301.40
  6. Step 6: Final answer
    x = 176,258.21

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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.