Home / 186,409.28-257,247.80-101,526.35

Finding the Fourth Proportional to 186,409.28, 257,247.80 and 101,526.35

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Solution

The fourth proportional to 186,409.28, 257,247.80 and 101,526.35 is: 140,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,409.28 : 257,247.80 = 101,526.35 : x
  2. Step 2: Convert to fraction form
    186,409.28/257,247.80 = 101,526.35/x
  3. Step 3: Cross multiply
    186,409.28x = 257,247.80 × 101,526.35
  4. Step 4: Simplify right side
    186,409.28x = 26,117,428,766.38
  5. Step 5: Solve for x
    x = 26,117,428,766.38/186,409.28
  6. Step 6: Final answer
    x = 140,107.98

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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.