Home / 127,809.74-176,356.70-74,084.26

Finding the Fourth Proportional to 127,809.74, 176,356.70 and 74,084.26

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Solution

The fourth proportional to 127,809.74, 176,356.70 and 74,084.26 is: 102,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,809.74 : 176,356.70 = 74,084.26 : x
  2. Step 2: Convert to fraction form
    127,809.74/176,356.70 = 74,084.26/x
  3. Step 3: Cross multiply
    127,809.74x = 176,356.70 × 74,084.26
  4. Step 4: Simplify right side
    127,809.74x = 13,065,255,245.12
  5. Step 5: Solve for x
    x = 13,065,255,245.12/127,809.74
  6. Step 6: Final answer
    x = 102,224.25

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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.