Home / 212,859.40-293,591.58-144,755.32

Finding the Fourth Proportional to 212,859.40, 293,591.58 and 144,755.32

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Solution

The fourth proportional to 212,859.40, 293,591.58 and 144,755.32 is: 199,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,859.40 : 293,591.58 = 144,755.32 : x
  2. Step 2: Convert to fraction form
    212,859.40/293,591.58 = 144,755.32/x
  3. Step 3: Cross multiply
    212,859.40x = 293,591.58 × 144,755.32
  4. Step 4: Simplify right side
    212,859.40x = 42,498,943,112.21
  5. Step 5: Solve for x
    x = 42,498,943,112.21/212,859.40
  6. Step 6: Final answer
    x = 199,657.35

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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.