Home / 137,312.10-205,814.55-58,412.90

Finding the Fourth Proportional to 137,312.10, 205,814.55 and 58,412.90

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Solution

The fourth proportional to 137,312.10, 205,814.55 and 58,412.90 is: 87,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,312.10 : 205,814.55 = 58,412.90 : x
  2. Step 2: Convert to fraction form
    137,312.10/205,814.55 = 58,412.90/x
  3. Step 3: Cross multiply
    137,312.10x = 205,814.55 × 58,412.90
  4. Step 4: Simplify right side
    137,312.10x = 12,022,224,727.70
  5. Step 5: Solve for x
    x = 12,022,224,727.70/137,312.10
  6. Step 6: Final answer
    x = 87,554.01

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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.