Home / 282,490.13-423,735.20-105,041.81

Finding the Fourth Proportional to 282,490.13, 423,735.20 and 105,041.81

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Solution

The fourth proportional to 282,490.13, 423,735.20 and 105,041.81 is: 157,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,490.13 : 423,735.20 = 105,041.81 : x
  2. Step 2: Convert to fraction form
    282,490.13/423,735.20 = 105,041.81/x
  3. Step 3: Cross multiply
    282,490.13x = 423,735.20 × 105,041.81
  4. Step 4: Simplify right side
    282,490.13x = 44,509,913,296.75
  5. Step 5: Solve for x
    x = 44,509,913,296.75/282,490.13
  6. Step 6: Final answer
    x = 157,562.72

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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.