Home / 186,255.13-257,032.08-101,372.80

Finding the Fourth Proportional to 186,255.13, 257,032.08 and 101,372.80

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Solution

The fourth proportional to 186,255.13, 257,032.08 and 101,372.80 is: 139,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,255.13 : 257,032.08 = 101,372.80 : x
  2. Step 2: Convert to fraction form
    186,255.13/257,032.08 = 101,372.80/x
  3. Step 3: Cross multiply
    186,255.13x = 257,032.08 × 101,372.80
  4. Step 4: Simplify right side
    186,255.13x = 26,056,061,639.42
  5. Step 5: Solve for x
    x = 26,056,061,639.42/186,255.13
  6. Step 6: Final answer
    x = 139,894.46

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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.