Home / 114,723.78-158,274.60-84,580.76

Finding the Fourth Proportional to 114,723.78, 158,274.60 and 84,580.76

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Solution

The fourth proportional to 114,723.78, 158,274.60 and 84,580.76 is: 116,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,723.78 : 158,274.60 = 84,580.76 : x
  2. Step 2: Convert to fraction form
    114,723.78/158,274.60 = 84,580.76/x
  3. Step 3: Cross multiply
    114,723.78x = 158,274.60 × 84,580.76
  4. Step 4: Simplify right side
    114,723.78x = 13,386,985,956.70
  5. Step 5: Solve for x
    x = 13,386,985,956.70/114,723.78
  6. Step 6: Final answer
    x = 116,688.85

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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.