Home / 357,621.57-536,430.82-91,381.65

Finding the Fourth Proportional to 357,621.57, 536,430.82 and 91,381.65

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Solution

The fourth proportional to 357,621.57, 536,430.82 and 91,381.65 is: 137,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,621.57 : 536,430.82 = 91,381.65 : x
  2. Step 2: Convert to fraction form
    357,621.57/536,430.82 = 91,381.65/x
  3. Step 3: Cross multiply
    357,621.57x = 536,430.82 × 91,381.65
  4. Step 4: Simplify right side
    357,621.57x = 49,019,933,442.45
  5. Step 5: Solve for x
    x = 49,019,933,442.45/357,621.57
  6. Step 6: Final answer
    x = 137,072.08

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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.