Home / 107,146.68-147,846.86-59,400.02

Finding the Fourth Proportional to 107,146.68, 147,846.86 and 59,400.02

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Solution

The fourth proportional to 107,146.68, 147,846.86 and 59,400.02 is: 81,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,146.68 : 147,846.86 = 59,400.02 : x
  2. Step 2: Convert to fraction form
    107,146.68/147,846.86 = 59,400.02/x
  3. Step 3: Cross multiply
    107,146.68x = 147,846.86 × 59,400.02
  4. Step 4: Simplify right side
    107,146.68x = 8,782,106,440.94
  5. Step 5: Solve for x
    x = 8,782,106,440.94/107,146.68
  6. Step 6: Final answer
    x = 81,963.40

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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.