Home / 107,199.07-147,937.50-58,803.10

Finding the Fourth Proportional to 107,199.07, 147,937.50 and 58,803.10

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Solution

The fourth proportional to 107,199.07, 147,937.50 and 58,803.10 is: 81,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,199.07 : 147,937.50 = 58,803.10 : x
  2. Step 2: Convert to fraction form
    107,199.07/147,937.50 = 58,803.10/x
  3. Step 3: Cross multiply
    107,199.07x = 147,937.50 × 58,803.10
  4. Step 4: Simplify right side
    107,199.07x = 8,699,183,606.25
  5. Step 5: Solve for x
    x = 8,699,183,606.25/107,199.07
  6. Step 6: Final answer
    x = 81,149.80

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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.