Home / 186,231.36-257,004.72-101,353.92

Finding the Fourth Proportional to 186,231.36, 257,004.72 and 101,353.92

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Solution

The fourth proportional to 186,231.36, 257,004.72 and 101,353.92 is: 139,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,231.36 : 257,004.72 = 101,353.92 : x
  2. Step 2: Convert to fraction form
    186,231.36/257,004.72 = 101,353.92/x
  3. Step 3: Cross multiply
    186,231.36x = 257,004.72 × 101,353.92
  4. Step 4: Simplify right side
    186,231.36x = 26,048,435,830.50
  5. Step 5: Solve for x
    x = 26,048,435,830.50/186,231.36
  6. Step 6: Final answer
    x = 139,871.37

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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.