Home / 282,141.37-423,276.65-122,243.91

Finding the Fourth Proportional to 282,141.37, 423,276.65 and 122,243.91

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Solution

The fourth proportional to 282,141.37, 423,276.65 and 122,243.91 is: 183,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,141.37 : 423,276.65 = 122,243.91 : x
  2. Step 2: Convert to fraction form
    282,141.37/423,276.65 = 122,243.91/x
  3. Step 3: Cross multiply
    282,141.37x = 423,276.65 × 122,243.91
  4. Step 4: Simplify right side
    282,141.37x = 51,742,993,013.31
  5. Step 5: Solve for x
    x = 51,742,993,013.31/282,141.37
  6. Step 6: Final answer
    x = 183,393.85

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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.