Home / 186,316.20-257,114.79-101,433.06

Finding the Fourth Proportional to 186,316.20, 257,114.79 and 101,433.06

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Solution

The fourth proportional to 186,316.20, 257,114.79 and 101,433.06 is: 139,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,316.20 : 257,114.79 = 101,433.06 : x
  2. Step 2: Convert to fraction form
    186,316.20/257,114.79 = 101,433.06/x
  3. Step 3: Cross multiply
    186,316.20x = 257,114.79 × 101,433.06
  4. Step 4: Simplify right side
    186,316.20x = 26,079,939,920.96
  5. Step 5: Solve for x
    x = 26,079,939,920.96/186,316.20
  6. Step 6: Final answer
    x = 139,976.77

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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.