Home / 127,734.09-176,273.10-74,050.23

Finding the Fourth Proportional to 127,734.09, 176,273.10 and 74,050.23

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Solution

The fourth proportional to 127,734.09, 176,273.10 and 74,050.23 is: 102,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,734.09 : 176,273.10 = 74,050.23 : x
  2. Step 2: Convert to fraction form
    127,734.09/176,273.10 = 74,050.23/x
  3. Step 3: Cross multiply
    127,734.09x = 176,273.10 × 74,050.23
  4. Step 4: Simplify right side
    127,734.09x = 13,053,063,597.81
  5. Step 5: Solve for x
    x = 13,053,063,597.81/127,734.09
  6. Step 6: Final answer
    x = 102,189.35

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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.