Home / 170,415.71-235,087.24-130,059.40

Finding the Fourth Proportional to 170,415.71, 235,087.24 and 130,059.40

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Solution

The fourth proportional to 170,415.71, 235,087.24 and 130,059.40 is: 179,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,415.71 : 235,087.24 = 130,059.40 : x
  2. Step 2: Convert to fraction form
    170,415.71/235,087.24 = 130,059.40/x
  3. Step 3: Cross multiply
    170,415.71x = 235,087.24 × 130,059.40
  4. Step 4: Simplify right side
    170,415.71x = 30,575,305,382.06
  5. Step 5: Solve for x
    x = 30,575,305,382.06/170,415.71
  6. Step 6: Final answer
    x = 179,416.01

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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.