Home / 186,742.16-257,701.92-101,857.40

Finding the Fourth Proportional to 186,742.16, 257,701.92 and 101,857.40

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Solution

The fourth proportional to 186,742.16, 257,701.92 and 101,857.40 is: 140,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,742.16 : 257,701.92 = 101,857.40 : x
  2. Step 2: Convert to fraction form
    186,742.16/257,701.92 = 101,857.40/x
  3. Step 3: Cross multiply
    186,742.16x = 257,701.92 × 101,857.40
  4. Step 4: Simplify right side
    186,742.16x = 26,248,846,257.70
  5. Step 5: Solve for x
    x = 26,248,846,257.70/186,742.16
  6. Step 6: Final answer
    x = 140,561.98

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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.