Home / 186,511.68-257,389.04-101,628.64

Finding the Fourth Proportional to 186,511.68, 257,389.04 and 101,628.64

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Solution

The fourth proportional to 186,511.68, 257,389.04 and 101,628.64 is: 140,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,511.68 : 257,389.04 = 101,628.64 : x
  2. Step 2: Convert to fraction form
    186,511.68/257,389.04 = 101,628.64/x
  3. Step 3: Cross multiply
    186,511.68x = 257,389.04 × 101,628.64
  4. Step 4: Simplify right side
    186,511.68x = 26,158,098,086.11
  5. Step 5: Solve for x
    x = 26,158,098,086.11/186,511.68
  6. Step 6: Final answer
    x = 140,249.12

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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.