Home / 186,539.04-257,416.38-101,654.28

Finding the Fourth Proportional to 186,539.04, 257,416.38 and 101,654.28

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Solution

The fourth proportional to 186,539.04, 257,416.38 and 101,654.28 is: 140,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,539.04 : 257,416.38 = 101,654.28 : x
  2. Step 2: Convert to fraction form
    186,539.04/257,416.38 = 101,654.28/x
  3. Step 3: Cross multiply
    186,539.04x = 257,416.38 × 101,654.28
  4. Step 4: Simplify right side
    186,539.04x = 26,167,476,769.11
  5. Step 5: Solve for x
    x = 26,167,476,769.11/186,539.04
  6. Step 6: Final answer
    x = 140,278.82

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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.