Home / 145,254.76-217,771.42-75,089.32

Finding the Fourth Proportional to 145,254.76, 217,771.42 and 75,089.32

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Solution

The fourth proportional to 145,254.76, 217,771.42 and 75,089.32 is: 112,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,254.76 : 217,771.42 = 75,089.32 : x
  2. Step 2: Convert to fraction form
    145,254.76/217,771.42 = 75,089.32/x
  3. Step 3: Cross multiply
    145,254.76x = 217,771.42 × 75,089.32
  4. Step 4: Simplify right side
    145,254.76x = 16,352,307,843.23
  5. Step 5: Solve for x
    x = 16,352,307,843.23/145,254.76
  6. Step 6: Final answer
    x = 112,576.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.