Home / 186,953.17-257,994.03-102,070.23

Finding the Fourth Proportional to 186,953.17, 257,994.03 and 102,070.23

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Solution

The fourth proportional to 186,953.17, 257,994.03 and 102,070.23 is: 140,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,953.17 : 257,994.03 = 102,070.23 : x
  2. Step 2: Convert to fraction form
    186,953.17/257,994.03 = 102,070.23/x
  3. Step 3: Cross multiply
    186,953.17x = 257,994.03 × 102,070.23
  4. Step 4: Simplify right side
    186,953.17x = 26,333,509,980.73
  5. Step 5: Solve for x
    x = 26,333,509,980.73/186,953.17
  6. Step 6: Final answer
    x = 140,856.18

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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.