Home / 150,752.08-208,013.64-87,098.32

Finding the Fourth Proportional to 150,752.08, 208,013.64 and 87,098.32

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Solution

The fourth proportional to 150,752.08, 208,013.64 and 87,098.32 is: 120,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,752.08 : 208,013.64 = 87,098.32 : x
  2. Step 2: Convert to fraction form
    150,752.08/208,013.64 = 87,098.32/x
  3. Step 3: Cross multiply
    150,752.08x = 208,013.64 × 87,098.32
  4. Step 4: Simplify right side
    150,752.08x = 18,117,638,581.08
  5. Step 5: Solve for x
    x = 18,117,638,581.08/150,752.08
  6. Step 6: Final answer
    x = 120,181.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.