Home / 133,622.46-183,979.35-113,437.50

Finding the Fourth Proportional to 133,622.46, 183,979.35 and 113,437.50

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Solution

The fourth proportional to 133,622.46, 183,979.35 and 113,437.50 is: 156,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.46 : 183,979.35 = 113,437.50 : x
  2. Step 2: Convert to fraction form
    133,622.46/183,979.35 = 113,437.50/x
  3. Step 3: Cross multiply
    133,622.46x = 183,979.35 × 113,437.50
  4. Step 4: Simplify right side
    133,622.46x = 20,870,157,515.63
  5. Step 5: Solve for x
    x = 20,870,157,515.63/133,622.46
  6. Step 6: Final answer
    x = 156,187.50

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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.