Home / 116,046.06-160,129.20-70,707.57

Finding the Fourth Proportional to 116,046.06, 160,129.20 and 70,707.57

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Solution

The fourth proportional to 116,046.06, 160,129.20 and 70,707.57 is: 97,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,046.06 : 160,129.20 = 70,707.57 : x
  2. Step 2: Convert to fraction form
    116,046.06/160,129.20 = 70,707.57/x
  3. Step 3: Cross multiply
    116,046.06x = 160,129.20 × 70,707.57
  4. Step 4: Simplify right side
    116,046.06x = 11,322,346,618.04
  5. Step 5: Solve for x
    x = 11,322,346,618.04/116,046.06
  6. Step 6: Final answer
    x = 97,567.70

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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.