Home / 186,143.32-257,032.92-172,635.88

Finding the Fourth Proportional to 186,143.32, 257,032.92 and 172,635.88

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Solution

The fourth proportional to 186,143.32, 257,032.92 and 172,635.88 is: 238,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,143.32 : 257,032.92 = 172,635.88 : x
  2. Step 2: Convert to fraction form
    186,143.32/257,032.92 = 172,635.88/x
  3. Step 3: Cross multiply
    186,143.32x = 257,032.92 × 172,635.88
  4. Step 4: Simplify right side
    186,143.32x = 44,373,104,333.17
  5. Step 5: Solve for x
    x = 44,373,104,333.17/186,143.32
  6. Step 6: Final answer
    x = 238,381.40

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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.