Home / 116,460.12-160,714.16-66,159.12

Finding the Fourth Proportional to 116,460.12, 160,714.16 and 66,159.12

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Solution

The fourth proportional to 116,460.12, 160,714.16 and 66,159.12 is: 91,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,460.12 : 160,714.16 = 66,159.12 : x
  2. Step 2: Convert to fraction form
    116,460.12/160,714.16 = 66,159.12/x
  3. Step 3: Cross multiply
    116,460.12x = 160,714.16 × 66,159.12
  4. Step 4: Simplify right side
    116,460.12x = 10,632,707,397.14
  5. Step 5: Solve for x
    x = 10,632,707,397.14/116,460.12
  6. Step 6: Final answer
    x = 91,299.13

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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.