Home / 107,153.64-147,872.58-61,833.52

Finding the Fourth Proportional to 107,153.64, 147,872.58 and 61,833.52

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Solution

The fourth proportional to 107,153.64, 147,872.58 and 61,833.52 is: 85,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,153.64 : 147,872.58 = 61,833.52 : x
  2. Step 2: Convert to fraction form
    107,153.64/147,872.58 = 61,833.52/x
  3. Step 3: Cross multiply
    107,153.64x = 147,872.58 × 61,833.52
  4. Step 4: Simplify right side
    107,153.64x = 9,143,482,132.88
  5. Step 5: Solve for x
    x = 9,143,482,132.88/107,153.64
  6. Step 6: Final answer
    x = 85,330.58

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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.