Home / 161,955.06-223,488.36-93,966.77

Finding the Fourth Proportional to 161,955.06, 223,488.36 and 93,966.77

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Solution

The fourth proportional to 161,955.06, 223,488.36 and 93,966.77 is: 129,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,955.06 : 223,488.36 = 93,966.77 : x
  2. Step 2: Convert to fraction form
    161,955.06/223,488.36 = 93,966.77/x
  3. Step 3: Cross multiply
    161,955.06x = 223,488.36 × 93,966.77
  4. Step 4: Simplify right side
    161,955.06x = 21,000,478,204.36
  5. Step 5: Solve for x
    x = 21,000,478,204.36/161,955.06
  6. Step 6: Final answer
    x = 129,668.55

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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.