Home / 127,740.35-176,281.73-74,056.49

Finding the Fourth Proportional to 127,740.35, 176,281.73 and 74,056.49

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Solution

The fourth proportional to 127,740.35, 176,281.73 and 74,056.49 is: 102,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,740.35 : 176,281.73 = 74,056.49 : x
  2. Step 2: Convert to fraction form
    127,740.35/176,281.73 = 74,056.49/x
  3. Step 3: Cross multiply
    127,740.35x = 176,281.73 × 74,056.49
  4. Step 4: Simplify right side
    127,740.35x = 13,054,806,174.93
  5. Step 5: Solve for x
    x = 13,054,806,174.93/127,740.35
  6. Step 6: Final answer
    x = 102,197.98

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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.