Home / 116,904.14-161,339.28-70,960.16

Finding the Fourth Proportional to 116,904.14, 161,339.28 and 70,960.16

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Solution

The fourth proportional to 116,904.14, 161,339.28 and 70,960.16 is: 97,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,904.14 : 161,339.28 = 70,960.16 : x
  2. Step 2: Convert to fraction form
    116,904.14/161,339.28 = 70,960.16/x
  3. Step 3: Cross multiply
    116,904.14x = 161,339.28 × 70,960.16
  4. Step 4: Simplify right side
    116,904.14x = 11,448,661,699.73
  5. Step 5: Solve for x
    x = 11,448,661,699.73/116,904.14
  6. Step 6: Final answer
    x = 97,932.05

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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.