Home / 186,180.79-256,921.81-101,298.19

Finding the Fourth Proportional to 186,180.79, 256,921.81 and 101,298.19

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Solution

The fourth proportional to 186,180.79, 256,921.81 and 101,298.19 is: 139,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,180.79 : 256,921.81 = 101,298.19 : x
  2. Step 2: Convert to fraction form
    186,180.79/256,921.81 = 101,298.19/x
  3. Step 3: Cross multiply
    186,180.79x = 256,921.81 × 101,298.19
  4. Step 4: Simplify right side
    186,180.79x = 26,025,714,324.52
  5. Step 5: Solve for x
    x = 26,025,714,324.52/186,180.79
  6. Step 6: Final answer
    x = 139,787.32

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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.