Home / 186,254.64-257,031.39-101,372.31

Finding the Fourth Proportional to 186,254.64, 257,031.39 and 101,372.31

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Solution

The fourth proportional to 186,254.64, 257,031.39 and 101,372.31 is: 139,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,254.64 : 257,031.39 = 101,372.31 : x
  2. Step 2: Convert to fraction form
    186,254.64/257,031.39 = 101,372.31/x
  3. Step 3: Cross multiply
    186,254.64x = 257,031.39 × 101,372.31
  4. Step 4: Simplify right side
    186,254.64x = 26,055,865,746.81
  5. Step 5: Solve for x
    x = 26,055,865,746.81/186,254.64
  6. Step 6: Final answer
    x = 139,893.78

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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.