Home / 114,690.60-172,038.78-55,515.24

Finding the Fourth Proportional to 114,690.60, 172,038.78 and 55,515.24

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Solution

The fourth proportional to 114,690.60, 172,038.78 and 55,515.24 is: 83,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,690.60 : 172,038.78 = 55,515.24 : x
  2. Step 2: Convert to fraction form
    114,690.60/172,038.78 = 55,515.24/x
  3. Step 3: Cross multiply
    114,690.60x = 172,038.78 × 55,515.24
  4. Step 4: Simplify right side
    114,690.60x = 9,550,774,161.01
  5. Step 5: Solve for x
    x = 9,550,774,161.01/114,690.60
  6. Step 6: Final answer
    x = 83,274.25

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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.