Home / 201,444.10-302,398.95-108,132.10

Finding the Fourth Proportional to 201,444.10, 302,398.95 and 108,132.10

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Solution

The fourth proportional to 201,444.10, 302,398.95 and 108,132.10 is: 162,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,444.10 : 302,398.95 = 108,132.10 : x
  2. Step 2: Convert to fraction form
    201,444.10/302,398.95 = 108,132.10/x
  3. Step 3: Cross multiply
    201,444.10x = 302,398.95 × 108,132.10
  4. Step 4: Simplify right side
    201,444.10x = 32,699,033,501.30
  5. Step 5: Solve for x
    x = 32,699,033,501.30/201,444.10
  6. Step 6: Final answer
    x = 162,323.11

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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.