Home / 105,149.52-156,975.18-101,458.74

Finding the Fourth Proportional to 105,149.52, 156,975.18 and 101,458.74

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Solution

The fourth proportional to 105,149.52, 156,975.18 and 101,458.74 is: 151,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,149.52 : 156,975.18 = 101,458.74 : x
  2. Step 2: Convert to fraction form
    105,149.52/156,975.18 = 101,458.74/x
  3. Step 3: Cross multiply
    105,149.52x = 156,975.18 × 101,458.74
  4. Step 4: Simplify right side
    105,149.52x = 15,926,503,974.07
  5. Step 5: Solve for x
    x = 15,926,503,974.07/105,149.52
  6. Step 6: Final answer
    x = 151,465.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.