Home / 116,417.36-160,657.08-66,116.72

Finding the Fourth Proportional to 116,417.36, 160,657.08 and 66,116.72

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Solution

The fourth proportional to 116,417.36, 160,657.08 and 66,116.72 is: 91,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,417.36 : 160,657.08 = 66,116.72 : x
  2. Step 2: Convert to fraction form
    116,417.36/160,657.08 = 66,116.72/x
  3. Step 3: Cross multiply
    116,417.36x = 160,657.08 × 66,116.72
  4. Step 4: Simplify right side
    116,417.36x = 10,622,119,174.38
  5. Step 5: Solve for x
    x = 10,622,119,174.38/116,417.36
  6. Step 6: Final answer
    x = 91,241.71

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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.