Home / 360,567.15-540,939.29-123,913.23

Finding the Fourth Proportional to 360,567.15, 540,939.29 and 123,913.23

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Solution

The fourth proportional to 360,567.15, 540,939.29 and 123,913.23 is: 185,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,567.15 : 540,939.29 = 123,913.23 : x
  2. Step 2: Convert to fraction form
    360,567.15/540,939.29 = 123,913.23/x
  3. Step 3: Cross multiply
    360,567.15x = 540,939.29 × 123,913.23
  4. Step 4: Simplify right side
    360,567.15x = 67,029,534,038.24
  5. Step 5: Solve for x
    x = 67,029,534,038.24/360,567.15
  6. Step 6: Final answer
    x = 185,900.28

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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.