Home / 282,173.10-423,255-113,689.32

Finding the Fourth Proportional to 282,173.10, 423,255 and 113,689.32

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Solution

The fourth proportional to 282,173.10, 423,255 and 113,689.32 is: 170,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,173.10 : 423,255 = 113,689.32 : x
  2. Step 2: Convert to fraction form
    282,173.10/423,255 = 113,689.32/x
  3. Step 3: Cross multiply
    282,173.10x = 423,255 × 113,689.32
  4. Step 4: Simplify right side
    282,173.10x = 48,119,573,136.60
  5. Step 5: Solve for x
    x = 48,119,573,136.60/282,173.10
  6. Step 6: Final answer
    x = 170,532.11

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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.