Home / 116,439.06-160,684.48-65,460.30

Finding the Fourth Proportional to 116,439.06, 160,684.48 and 65,460.30

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Solution

The fourth proportional to 116,439.06, 160,684.48 and 65,460.30 is: 90,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,439.06 : 160,684.48 = 65,460.30 : x
  2. Step 2: Convert to fraction form
    116,439.06/160,684.48 = 65,460.30/x
  3. Step 3: Cross multiply
    116,439.06x = 160,684.48 × 65,460.30
  4. Step 4: Simplify right side
    116,439.06x = 10,518,454,266.14
  5. Step 5: Solve for x
    x = 10,518,454,266.14/116,439.06
  6. Step 6: Final answer
    x = 90,334.41

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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.