Home / 282,459.10-423,703.23-72,098.86

Finding the Fourth Proportional to 282,459.10, 423,703.23 and 72,098.86

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Solution

The fourth proportional to 282,459.10, 423,703.23 and 72,098.86 is: 108,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,459.10 : 423,703.23 = 72,098.86 : x
  2. Step 2: Convert to fraction form
    282,459.10/423,703.23 = 72,098.86/x
  3. Step 3: Cross multiply
    282,459.10x = 423,703.23 × 72,098.86
  4. Step 4: Simplify right side
    282,459.10x = 30,548,517,382.31
  5. Step 5: Solve for x
    x = 30,548,517,382.31/282,459.10
  6. Step 6: Final answer
    x = 108,152.00

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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.