Home / 175,036.80-262,094.40-128,035.20

Finding the Fourth Proportional to 175,036.80, 262,094.40 and 128,035.20

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Solution

The fourth proportional to 175,036.80, 262,094.40 and 128,035.20 is: 191,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,036.80 : 262,094.40 = 128,035.20 : x
  2. Step 2: Convert to fraction form
    175,036.80/262,094.40 = 128,035.20/x
  3. Step 3: Cross multiply
    175,036.80x = 262,094.40 × 128,035.20
  4. Step 4: Simplify right side
    175,036.80x = 33,557,308,922.88
  5. Step 5: Solve for x
    x = 33,557,308,922.88/175,036.80
  6. Step 6: Final answer
    x = 191,715.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.