Home / 116,583.36-160,872-65,586.24

Finding the Fourth Proportional to 116,583.36, 160,872 and 65,586.24

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Solution

The fourth proportional to 116,583.36, 160,872 and 65,586.24 is: 90,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,583.36 : 160,872 = 65,586.24 : x
  2. Step 2: Convert to fraction form
    116,583.36/160,872 = 65,586.24/x
  3. Step 3: Cross multiply
    116,583.36x = 160,872 × 65,586.24
  4. Step 4: Simplify right side
    116,583.36x = 10,550,989,601.28
  5. Step 5: Solve for x
    x = 10,550,989,601.28/116,583.36
  6. Step 6: Final answer
    x = 90,501.68

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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.