Home / 186,837.13-257,840.70-101,959.66

Finding the Fourth Proportional to 186,837.13, 257,840.70 and 101,959.66

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Solution

The fourth proportional to 186,837.13, 257,840.70 and 101,959.66 is: 140,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,837.13 : 257,840.70 = 101,959.66 : x
  2. Step 2: Convert to fraction form
    186,837.13/257,840.70 = 101,959.66/x
  3. Step 3: Cross multiply
    186,837.13x = 257,840.70 × 101,959.66
  4. Step 4: Simplify right side
    186,837.13x = 26,289,348,816.96
  5. Step 5: Solve for x
    x = 26,289,348,816.96/186,837.13
  6. Step 6: Final answer
    x = 140,707.31

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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.