Home / 186,313.97-257,116.07-101,432.45

Finding the Fourth Proportional to 186,313.97, 257,116.07 and 101,432.45

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Solution

The fourth proportional to 186,313.97, 257,116.07 and 101,432.45 is: 139,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,313.97 : 257,116.07 = 101,432.45 : x
  2. Step 2: Convert to fraction form
    186,313.97/257,116.07 = 101,432.45/x
  3. Step 3: Cross multiply
    186,313.97x = 257,116.07 × 101,432.45
  4. Step 4: Simplify right side
    186,313.97x = 26,079,912,914.47
  5. Step 5: Solve for x
    x = 26,079,912,914.47/186,313.97
  6. Step 6: Final answer
    x = 139,978.30

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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.