Home / 218,555.07-301,627.59-127,905.63

Finding the Fourth Proportional to 218,555.07, 301,627.59 and 127,905.63

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Solution

The fourth proportional to 218,555.07, 301,627.59 and 127,905.63 is: 176,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,555.07 : 301,627.59 = 127,905.63 : x
  2. Step 2: Convert to fraction form
    218,555.07/301,627.59 = 127,905.63/x
  3. Step 3: Cross multiply
    218,555.07x = 301,627.59 × 127,905.63
  4. Step 4: Simplify right side
    218,555.07x = 38,579,866,924.33
  5. Step 5: Solve for x
    x = 38,579,866,924.33/218,555.07
  6. Step 6: Final answer
    x = 176,522.41

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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.