Home / 110,289.93-152,213.63-64,965.57

Finding the Fourth Proportional to 110,289.93, 152,213.63 and 64,965.57

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Solution

The fourth proportional to 110,289.93, 152,213.63 and 64,965.57 is: 89,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,289.93 : 152,213.63 = 64,965.57 : x
  2. Step 2: Convert to fraction form
    110,289.93/152,213.63 = 64,965.57/x
  3. Step 3: Cross multiply
    110,289.93x = 152,213.63 × 64,965.57
  4. Step 4: Simplify right side
    110,289.93x = 9,888,644,909.89
  5. Step 5: Solve for x
    x = 9,888,644,909.89/110,289.93
  6. Step 6: Final answer
    x = 89,660.45

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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.