Home / 134,677.89-200,828.70-128,055.62

Finding the Fourth Proportional to 134,677.89, 200,828.70 and 128,055.62

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Solution

The fourth proportional to 134,677.89, 200,828.70 and 128,055.62 is: 190,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,677.89 : 200,828.70 = 128,055.62 : x
  2. Step 2: Convert to fraction form
    134,677.89/200,828.70 = 128,055.62/x
  3. Step 3: Cross multiply
    134,677.89x = 200,828.70 × 128,055.62
  4. Step 4: Simplify right side
    134,677.89x = 25,717,244,194.37
  5. Step 5: Solve for x
    x = 25,717,244,194.37/134,677.89
  6. Step 6: Final answer
    x = 190,953.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.