Home / 186,309.07-257,140.03-109,823.67

Finding the Fourth Proportional to 186,309.07, 257,140.03 and 109,823.67

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Solution

The fourth proportional to 186,309.07, 257,140.03 and 109,823.67 is: 151,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,309.07 : 257,140.03 = 109,823.67 : x
  2. Step 2: Convert to fraction form
    186,309.07/257,140.03 = 109,823.67/x
  3. Step 3: Cross multiply
    186,309.07x = 257,140.03 × 109,823.67
  4. Step 4: Simplify right side
    186,309.07x = 28,240,061,798.51
  5. Step 5: Solve for x
    x = 28,240,061,798.51/186,309.07
  6. Step 6: Final answer
    x = 151,576.42

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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.