Home / 114,155.88-157,685.72-87,626.22

Finding the Fourth Proportional to 114,155.88, 157,685.72 and 87,626.22

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Solution

The fourth proportional to 114,155.88, 157,685.72 and 87,626.22 is: 121,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,155.88 : 157,685.72 = 87,626.22 : x
  2. Step 2: Convert to fraction form
    114,155.88/157,685.72 = 87,626.22/x
  3. Step 3: Cross multiply
    114,155.88x = 157,685.72 × 87,626.22
  4. Step 4: Simplify right side
    114,155.88x = 13,817,403,153.45
  5. Step 5: Solve for x
    x = 13,817,403,153.45/114,155.88
  6. Step 6: Final answer
    x = 121,039.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.