Home / 186,109.45-256,818.40-101,224.69

Finding the Fourth Proportional to 186,109.45, 256,818.40 and 101,224.69

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Solution

The fourth proportional to 186,109.45, 256,818.40 and 101,224.69 is: 139,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,109.45 : 256,818.40 = 101,224.69 : x
  2. Step 2: Convert to fraction form
    186,109.45/256,818.40 = 101,224.69/x
  3. Step 3: Cross multiply
    186,109.45x = 256,818.40 × 101,224.69
  4. Step 4: Simplify right side
    186,109.45x = 25,996,362,926.30
  5. Step 5: Solve for x
    x = 25,996,362,926.30/186,109.45
  6. Step 6: Final answer
    x = 139,683.20

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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.