Home / 176,785.54-265,178.31-145,555.18

Finding the Fourth Proportional to 176,785.54, 265,178.31 and 145,555.18

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Solution

The fourth proportional to 176,785.54, 265,178.31 and 145,555.18 is: 218,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,785.54 : 265,178.31 = 145,555.18 : x
  2. Step 2: Convert to fraction form
    176,785.54/265,178.31 = 145,555.18/x
  3. Step 3: Cross multiply
    176,785.54x = 265,178.31 × 145,555.18
  4. Step 4: Simplify right side
    176,785.54x = 38,598,076,644.15
  5. Step 5: Solve for x
    x = 38,598,076,644.15/176,785.54
  6. Step 6: Final answer
    x = 218,332.77

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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.