Home / 302,161.06-417,017.70-173,141.30

Finding the Fourth Proportional to 302,161.06, 417,017.70 and 173,141.30

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Solution

The fourth proportional to 302,161.06, 417,017.70 and 173,141.30 is: 238,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,161.06 : 417,017.70 = 173,141.30 : x
  2. Step 2: Convert to fraction form
    302,161.06/417,017.70 = 173,141.30/x
  3. Step 3: Cross multiply
    302,161.06x = 417,017.70 × 173,141.30
  4. Step 4: Simplify right side
    302,161.06x = 72,202,986,691.55
  5. Step 5: Solve for x
    x = 72,202,986,691.55/302,161.06
  6. Step 6: Final answer
    x = 238,955.30

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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.