Home / 152,103.39-209,904.48-84,125.94

Finding the Fourth Proportional to 152,103.39, 209,904.48 and 84,125.94

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Solution

The fourth proportional to 152,103.39, 209,904.48 and 84,125.94 is: 116,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,103.39 : 209,904.48 = 84,125.94 : x
  2. Step 2: Convert to fraction form
    152,103.39/209,904.48 = 84,125.94/x
  3. Step 3: Cross multiply
    152,103.39x = 209,904.48 × 84,125.94
  4. Step 4: Simplify right side
    152,103.39x = 17,658,411,690.21
  5. Step 5: Solve for x
    x = 17,658,411,690.21/152,103.39
  6. Step 6: Final answer
    x = 116,094.79

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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.