Home / 145,557.90-200,400.39-113,252.94

Finding the Fourth Proportional to 145,557.90, 200,400.39 and 113,252.94

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Solution

The fourth proportional to 145,557.90, 200,400.39 and 113,252.94 is: 155,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,557.90 : 200,400.39 = 113,252.94 : x
  2. Step 2: Convert to fraction form
    145,557.90/200,400.39 = 113,252.94/x
  3. Step 3: Cross multiply
    145,557.90x = 200,400.39 × 113,252.94
  4. Step 4: Simplify right side
    145,557.90x = 22,695,933,344.65
  5. Step 5: Solve for x
    x = 22,695,933,344.65/145,557.90
  6. Step 6: Final answer
    x = 155,923.75

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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.