Home / 186,089.38-256,804.55-101,207.05

Finding the Fourth Proportional to 186,089.38, 256,804.55 and 101,207.05

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Solution

The fourth proportional to 186,089.38, 256,804.55 and 101,207.05 is: 139,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,089.38 : 256,804.55 = 101,207.05 : x
  2. Step 2: Convert to fraction form
    186,089.38/256,804.55 = 101,207.05/x
  3. Step 3: Cross multiply
    186,089.38x = 256,804.55 × 101,207.05
  4. Step 4: Simplify right side
    186,089.38x = 25,990,430,932.08
  5. Step 5: Solve for x
    x = 25,990,430,932.08/186,089.38
  6. Step 6: Final answer
    x = 139,666.38

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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.