Home / 186,111.35-256,831.74-101,228.39

Finding the Fourth Proportional to 186,111.35, 256,831.74 and 101,228.39

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Solution

The fourth proportional to 186,111.35, 256,831.74 and 101,228.39 is: 139,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,111.35 : 256,831.74 = 101,228.39 : x
  2. Step 2: Convert to fraction form
    186,111.35/256,831.74 = 101,228.39/x
  3. Step 3: Cross multiply
    186,111.35x = 256,831.74 × 101,228.39
  4. Step 4: Simplify right side
    186,111.35x = 25,998,663,541.10
  5. Step 5: Solve for x
    x = 25,998,663,541.10/186,111.35
  6. Step 6: Final answer
    x = 139,694.13

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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.