Home / 116,631.48-160,944.84-65,646.39

Finding the Fourth Proportional to 116,631.48, 160,944.84 and 65,646.39

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Solution

The fourth proportional to 116,631.48, 160,944.84 and 65,646.39 is: 90,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,631.48 : 160,944.84 = 65,646.39 : x
  2. Step 2: Convert to fraction form
    116,631.48/160,944.84 = 65,646.39/x
  3. Step 3: Cross multiply
    116,631.48x = 160,944.84 × 65,646.39
  4. Step 4: Simplify right side
    116,631.48x = 10,565,447,735.13
  5. Step 5: Solve for x
    x = 10,565,447,735.13/116,631.48
  6. Step 6: Final answer
    x = 90,588.30

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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.