Home / 186,912.30-257,929.96-106,332.24

Finding the Fourth Proportional to 186,912.30, 257,929.96 and 106,332.24

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Solution

The fourth proportional to 186,912.30, 257,929.96 and 106,332.24 is: 146,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,912.30 : 257,929.96 = 106,332.24 : x
  2. Step 2: Convert to fraction form
    186,912.30/257,929.96 = 106,332.24/x
  3. Step 3: Cross multiply
    186,912.30x = 257,929.96 × 106,332.24
  4. Step 4: Simplify right side
    186,912.30x = 27,426,270,409.91
  5. Step 5: Solve for x
    x = 27,426,270,409.91/186,912.30
  6. Step 6: Final answer
    x = 146,733.36

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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.