Home / 163,591.40-245,732.70-157,716.20

Finding the Fourth Proportional to 163,591.40, 245,732.70 and 157,716.20

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Solution

The fourth proportional to 163,591.40, 245,732.70 and 157,716.20 is: 236,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,591.40 : 245,732.70 = 157,716.20 : x
  2. Step 2: Convert to fraction form
    163,591.40/245,732.70 = 157,716.20/x
  3. Step 3: Cross multiply
    163,591.40x = 245,732.70 × 157,716.20
  4. Step 4: Simplify right side
    163,591.40x = 38,756,027,659.74
  5. Step 5: Solve for x
    x = 38,756,027,659.74/163,591.40
  6. Step 6: Final answer
    x = 236,907.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.