Home / 119,303.19-164,638.78-68,316.73

Finding the Fourth Proportional to 119,303.19, 164,638.78 and 68,316.73

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Solution

The fourth proportional to 119,303.19, 164,638.78 and 68,316.73 is: 94,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,303.19 : 164,638.78 = 68,316.73 : x
  2. Step 2: Convert to fraction form
    119,303.19/164,638.78 = 68,316.73/x
  3. Step 3: Cross multiply
    119,303.19x = 164,638.78 × 68,316.73
  4. Step 4: Simplify right side
    119,303.19x = 11,247,582,498.40
  5. Step 5: Solve for x
    x = 11,247,582,498.40/119,303.19
  6. Step 6: Final answer
    x = 94,277.30

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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.