Home / 186,955.20-257,999.04-102,074.28

Finding the Fourth Proportional to 186,955.20, 257,999.04 and 102,074.28

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Solution

The fourth proportional to 186,955.20, 257,999.04 and 102,074.28 is: 140,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,955.20 : 257,999.04 = 102,074.28 : x
  2. Step 2: Convert to fraction form
    186,955.20/257,999.04 = 102,074.28/x
  3. Step 3: Cross multiply
    186,955.20x = 257,999.04 × 102,074.28
  4. Step 4: Simplify right side
    186,955.20x = 26,335,066,248.69
  5. Step 5: Solve for x
    x = 26,335,066,248.69/186,955.20
  6. Step 6: Final answer
    x = 140,862.98

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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.