Home / 186,021.48-256,720.14-101,136.72

Finding the Fourth Proportional to 186,021.48, 256,720.14 and 101,136.72

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Solution

The fourth proportional to 186,021.48, 256,720.14 and 101,136.72 is: 139,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,021.48 : 256,720.14 = 101,136.72 : x
  2. Step 2: Convert to fraction form
    186,021.48/256,720.14 = 101,136.72/x
  3. Step 3: Cross multiply
    186,021.48x = 256,720.14 × 101,136.72
  4. Step 4: Simplify right side
    186,021.48x = 25,963,832,917.54
  5. Step 5: Solve for x
    x = 25,963,832,917.54/186,021.48
  6. Step 6: Final answer
    x = 139,574.38

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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.