Home / 282,645.64-423,970.86-82,969.32

Finding the Fourth Proportional to 282,645.64, 423,970.86 and 82,969.32

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Solution

The fourth proportional to 282,645.64, 423,970.86 and 82,969.32 is: 124,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,645.64 : 423,970.86 = 82,969.32 : x
  2. Step 2: Convert to fraction form
    282,645.64/423,970.86 = 82,969.32/x
  3. Step 3: Cross multiply
    282,645.64x = 423,970.86 × 82,969.32
  4. Step 4: Simplify right side
    282,645.64x = 35,176,573,954.02
  5. Step 5: Solve for x
    x = 35,176,573,954.02/282,645.64
  6. Step 6: Final answer
    x = 124,454.68

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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.