Home / 186,388.86-257,219.37-101,505.72

Finding the Fourth Proportional to 186,388.86, 257,219.37 and 101,505.72

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Solution

The fourth proportional to 186,388.86, 257,219.37 and 101,505.72 is: 140,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,388.86 : 257,219.37 = 101,505.72 : x
  2. Step 2: Convert to fraction form
    186,388.86/257,219.37 = 101,505.72/x
  3. Step 3: Cross multiply
    186,388.86x = 257,219.37 × 101,505.72
  4. Step 4: Simplify right side
    186,388.86x = 26,109,237,349.80
  5. Step 5: Solve for x
    x = 26,109,237,349.80/186,388.86
  6. Step 6: Final answer
    x = 140,079.39

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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.