Home / 108,869.52-150,214.86-63,529.68

Finding the Fourth Proportional to 108,869.52, 150,214.86 and 63,529.68

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Solution

The fourth proportional to 108,869.52, 150,214.86 and 63,529.68 is: 87,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869.52 : 150,214.86 = 63,529.68 : x
  2. Step 2: Convert to fraction form
    108,869.52/150,214.86 = 63,529.68/x
  3. Step 3: Cross multiply
    108,869.52x = 150,214.86 × 63,529.68
  4. Step 4: Simplify right side
    108,869.52x = 9,543,101,987.04
  5. Step 5: Solve for x
    x = 9,543,101,987.04/108,869.52
  6. Step 6: Final answer
    x = 87,656.32

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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.