Home / 346,542.18-519,812.91-130,441.27

Finding the Fourth Proportional to 346,542.18, 519,812.91 and 130,441.27

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Solution

The fourth proportional to 346,542.18, 519,812.91 and 130,441.27 is: 195,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,542.18 : 519,812.91 = 130,441.27 : x
  2. Step 2: Convert to fraction form
    346,542.18/519,812.91 = 130,441.27/x
  3. Step 3: Cross multiply
    346,542.18x = 519,812.91 × 130,441.27
  4. Step 4: Simplify right side
    346,542.18x = 67,805,056,142.80
  5. Step 5: Solve for x
    x = 67,805,056,142.80/346,542.18
  6. Step 6: Final answer
    x = 195,661.77

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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.