Home / 186,236.95-256,828.32-125,121.22

Finding the Fourth Proportional to 186,236.95, 256,828.32 and 125,121.22

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Solution

The fourth proportional to 186,236.95, 256,828.32 and 125,121.22 is: 172,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,236.95 : 256,828.32 = 125,121.22 : x
  2. Step 2: Convert to fraction form
    186,236.95/256,828.32 = 125,121.22/x
  3. Step 3: Cross multiply
    186,236.95x = 256,828.32 × 125,121.22
  4. Step 4: Simplify right side
    186,236.95x = 32,134,672,728.95
  5. Step 5: Solve for x
    x = 32,134,672,728.95/186,236.95
  6. Step 6: Final answer
    x = 172,547.25

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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.