Home / 147,935.40-221,903.10-112,943.40

Finding the Fourth Proportional to 147,935.40, 221,903.10 and 112,943.40

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Solution

The fourth proportional to 147,935.40, 221,903.10 and 112,943.40 is: 169,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,935.40 : 221,903.10 = 112,943.40 : x
  2. Step 2: Convert to fraction form
    147,935.40/221,903.10 = 112,943.40/x
  3. Step 3: Cross multiply
    147,935.40x = 221,903.10 × 112,943.40
  4. Step 4: Simplify right side
    147,935.40x = 25,062,490,584.54
  5. Step 5: Solve for x
    x = 25,062,490,584.54/147,935.40
  6. Step 6: Final answer
    x = 169,415.10

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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.