Home / 170,799.84-235,687.20-117,130.88

Finding the Fourth Proportional to 170,799.84, 235,687.20 and 117,130.88

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Solution

The fourth proportional to 170,799.84, 235,687.20 and 117,130.88 is: 161,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,799.84 : 235,687.20 = 117,130.88 : x
  2. Step 2: Convert to fraction form
    170,799.84/235,687.20 = 117,130.88/x
  3. Step 3: Cross multiply
    170,799.84x = 235,687.20 × 117,130.88
  4. Step 4: Simplify right side
    170,799.84x = 27,606,249,140.74
  5. Step 5: Solve for x
    x = 27,606,249,140.74/170,799.84
  6. Step 6: Final answer
    x = 161,629.24

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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.