Home / 343,142.10-514,505.38-153,567.17

Finding the Fourth Proportional to 343,142.10, 514,505.38 and 153,567.17

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Solution

The fourth proportional to 343,142.10, 514,505.38 and 153,567.17 is: 230,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,142.10 : 514,505.38 = 153,567.17 : x
  2. Step 2: Convert to fraction form
    343,142.10/514,505.38 = 153,567.17/x
  3. Step 3: Cross multiply
    343,142.10x = 514,505.38 × 153,567.17
  4. Step 4: Simplify right side
    343,142.10x = 79,011,135,156.37
  5. Step 5: Solve for x
    x = 79,011,135,156.37/343,142.10
  6. Step 6: Final answer
    x = 230,257.77

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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.