Home / 109,567.92-151,204.44-64,235.76

Finding the Fourth Proportional to 109,567.92, 151,204.44 and 64,235.76

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Solution

The fourth proportional to 109,567.92, 151,204.44 and 64,235.76 is: 88,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,567.92 : 151,204.44 = 64,235.76 : x
  2. Step 2: Convert to fraction form
    109,567.92/151,204.44 = 64,235.76/x
  3. Step 3: Cross multiply
    109,567.92x = 151,204.44 × 64,235.76
  4. Step 4: Simplify right side
    109,567.92x = 9,712,732,118.77
  5. Step 5: Solve for x
    x = 9,712,732,118.77/109,567.92
  6. Step 6: Final answer
    x = 88,645.77

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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.