Home / 186,716.88-257,585.94-115,070.76

Finding the Fourth Proportional to 186,716.88, 257,585.94 and 115,070.76

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Solution

The fourth proportional to 186,716.88, 257,585.94 and 115,070.76 is: 158,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,716.88 : 257,585.94 = 115,070.76 : x
  2. Step 2: Convert to fraction form
    186,716.88/257,585.94 = 115,070.76/x
  3. Step 3: Cross multiply
    186,716.88x = 257,585.94 × 115,070.76
  4. Step 4: Simplify right side
    186,716.88x = 29,640,609,881.11
  5. Step 5: Solve for x
    x = 29,640,609,881.11/186,716.88
  6. Step 6: Final answer
    x = 158,746.28

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1.5x scale

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.