Home / 116,369.16-160,589.59-66,068.16

Finding the Fourth Proportional to 116,369.16, 160,589.59 and 66,068.16

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Solution

The fourth proportional to 116,369.16, 160,589.59 and 66,068.16 is: 91,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,369.16 : 160,589.59 = 66,068.16 : x
  2. Step 2: Convert to fraction form
    116,369.16/160,589.59 = 66,068.16/x
  3. Step 3: Cross multiply
    116,369.16x = 160,589.59 × 66,068.16
  4. Step 4: Simplify right side
    116,369.16x = 10,609,857,959.07
  5. Step 5: Solve for x
    x = 10,609,857,959.07/116,369.16
  6. Step 6: Final answer
    x = 91,174.14

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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.