Home / 186,953.10-257,993.71-102,070.14

Finding the Fourth Proportional to 186,953.10, 257,993.71 and 102,070.14

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Solution

The fourth proportional to 186,953.10, 257,993.71 and 102,070.14 is: 140,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,953.10 : 257,993.71 = 102,070.14 : x
  2. Step 2: Convert to fraction form
    186,953.10/257,993.71 = 102,070.14/x
  3. Step 3: Cross multiply
    186,953.10x = 257,993.71 × 102,070.14
  4. Step 4: Simplify right side
    186,953.10x = 26,333,454,098.82
  5. Step 5: Solve for x
    x = 26,333,454,098.82/186,953.10
  6. Step 6: Final answer
    x = 140,855.94

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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.