Home / 202,219.57-279,087.71-116,178.40

Finding the Fourth Proportional to 202,219.57, 279,087.71 and 116,178.40

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Solution

The fourth proportional to 202,219.57, 279,087.71 and 116,178.40 is: 160,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,219.57 : 279,087.71 = 116,178.40 : x
  2. Step 2: Convert to fraction form
    202,219.57/279,087.71 = 116,178.40/x
  3. Step 3: Cross multiply
    202,219.57x = 279,087.71 × 116,178.40
  4. Step 4: Simplify right side
    202,219.57x = 32,423,963,607.46
  5. Step 5: Solve for x
    x = 32,423,963,607.46/202,219.57
  6. Step 6: Final answer
    x = 160,340.38

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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.