Home / 137,320.10-205,826.55-58,420.90

Finding the Fourth Proportional to 137,320.10, 205,826.55 and 58,420.90

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Solution

The fourth proportional to 137,320.10, 205,826.55 and 58,420.90 is: 87,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,320.10 : 205,826.55 = 58,420.90 : x
  2. Step 2: Convert to fraction form
    137,320.10/205,826.55 = 58,420.90/x
  3. Step 3: Cross multiply
    137,320.10x = 205,826.55 × 58,420.90
  4. Step 4: Simplify right side
    137,320.10x = 12,024,572,294.90
  5. Step 5: Solve for x
    x = 12,024,572,294.90/137,320.10
  6. Step 6: Final answer
    x = 87,566.00

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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.