Home / 161,452.10-242,068.80-82,501.40

Finding the Fourth Proportional to 161,452.10, 242,068.80 and 82,501.40

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Solution

The fourth proportional to 161,452.10, 242,068.80 and 82,501.40 is: 123,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,452.10 : 242,068.80 = 82,501.40 : x
  2. Step 2: Convert to fraction form
    161,452.10/242,068.80 = 82,501.40/x
  3. Step 3: Cross multiply
    161,452.10x = 242,068.80 × 82,501.40
  4. Step 4: Simplify right side
    161,452.10x = 19,971,014,896.32
  5. Step 5: Solve for x
    x = 19,971,014,896.32/161,452.10
  6. Step 6: Final answer
    x = 123,696.22

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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.