Home / 186,411.40-257,274.57-134,895.76

Finding the Fourth Proportional to 186,411.40, 257,274.57 and 134,895.76

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Solution

The fourth proportional to 186,411.40, 257,274.57 and 134,895.76 is: 186,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,411.40 : 257,274.57 = 134,895.76 : x
  2. Step 2: Convert to fraction form
    186,411.40/257,274.57 = 134,895.76/x
  3. Step 3: Cross multiply
    186,411.40x = 257,274.57 × 134,895.76
  4. Step 4: Simplify right side
    186,411.40x = 34,705,248,648.82
  5. Step 5: Solve for x
    x = 34,705,248,648.82/186,411.40
  6. Step 6: Final answer
    x = 186,175.57

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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.