Home / 186,068.23-256,831.73-138,386.16

Finding the Fourth Proportional to 186,068.23, 256,831.73 and 138,386.16

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Solution

The fourth proportional to 186,068.23, 256,831.73 and 138,386.16 is: 191,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,068.23 : 256,831.73 = 138,386.16 : x
  2. Step 2: Convert to fraction form
    186,068.23/256,831.73 = 138,386.16/x
  3. Step 3: Cross multiply
    186,068.23x = 256,831.73 × 138,386.16
  4. Step 4: Simplify right side
    186,068.23x = 35,541,956,880.86
  5. Step 5: Solve for x
    x = 35,541,956,880.86/186,068.23
  6. Step 6: Final answer
    x = 191,015.72

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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.