Home / 108,545.30-149,788.14-63,224.72

Finding the Fourth Proportional to 108,545.30, 149,788.14 and 63,224.72

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Solution

The fourth proportional to 108,545.30, 149,788.14 and 63,224.72 is: 87,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,545.30 : 149,788.14 = 63,224.72 : x
  2. Step 2: Convert to fraction form
    108,545.30/149,788.14 = 63,224.72/x
  3. Step 3: Cross multiply
    108,545.30x = 149,788.14 × 63,224.72
  4. Step 4: Simplify right side
    108,545.30x = 9,470,313,210.82
  5. Step 5: Solve for x
    x = 9,470,313,210.82/108,545.30
  6. Step 6: Final answer
    x = 87,247.57

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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.