Home / 198,130.59-297,312.53-73,559.07

Finding the Fourth Proportional to 198,130.59, 297,312.53 and 73,559.07

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Solution

The fourth proportional to 198,130.59, 297,312.53 and 73,559.07 is: 110,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130.59 : 297,312.53 = 73,559.07 : x
  2. Step 2: Convert to fraction form
    198,130.59/297,312.53 = 73,559.07/x
  3. Step 3: Cross multiply
    198,130.59x = 297,312.53 × 73,559.07
  4. Step 4: Simplify right side
    198,130.59x = 21,870,032,838.35
  5. Step 5: Solve for x
    x = 21,870,032,838.35/198,130.59
  6. Step 6: Final answer
    x = 110,381.91

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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.