Home / 186,652.79-257,603.04-117,842.21

Finding the Fourth Proportional to 186,652.79, 257,603.04 and 117,842.21

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Solution

The fourth proportional to 186,652.79, 257,603.04 and 117,842.21 is: 162,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,652.79 : 257,603.04 = 117,842.21 : x
  2. Step 2: Convert to fraction form
    186,652.79/257,603.04 = 117,842.21/x
  3. Step 3: Cross multiply
    186,652.79x = 257,603.04 × 117,842.21
  4. Step 4: Simplify right side
    186,652.79x = 30,356,511,536.32
  5. Step 5: Solve for x
    x = 30,356,511,536.32/186,652.79
  6. Step 6: Final answer
    x = 162,636.26

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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.