Home / 135,686.90-203,548.86-46,916.57

Finding the Fourth Proportional to 135,686.90, 203,548.86 and 46,916.57

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Solution

The fourth proportional to 135,686.90, 203,548.86 and 46,916.57 is: 70,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,686.90 : 203,548.86 = 46,916.57 : x
  2. Step 2: Convert to fraction form
    135,686.90/203,548.86 = 46,916.57/x
  3. Step 3: Cross multiply
    135,686.90x = 203,548.86 × 46,916.57
  4. Step 4: Simplify right side
    135,686.90x = 9,549,813,320.87
  5. Step 5: Solve for x
    x = 9,549,813,320.87/135,686.90
  6. Step 6: Final answer
    x = 70,381.25

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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.