Home / 186,895.36-257,915.44-102,012.40

Finding the Fourth Proportional to 186,895.36, 257,915.44 and 102,012.40

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Solution

The fourth proportional to 186,895.36, 257,915.44 and 102,012.40 is: 140,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,895.36 : 257,915.44 = 102,012.40 : x
  2. Step 2: Convert to fraction form
    186,895.36/257,915.44 = 102,012.40/x
  3. Step 3: Cross multiply
    186,895.36x = 257,915.44 × 102,012.40
  4. Step 4: Simplify right side
    186,895.36x = 26,310,573,031.46
  5. Step 5: Solve for x
    x = 26,310,573,031.46/186,895.36
  6. Step 6: Final answer
    x = 140,777.03

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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.