Home / 175,016.48-262,538.54-86,221.55

Finding the Fourth Proportional to 175,016.48, 262,538.54 and 86,221.55

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Solution

The fourth proportional to 175,016.48, 262,538.54 and 86,221.55 is: 129,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,016.48 : 262,538.54 = 86,221.55 : x
  2. Step 2: Convert to fraction form
    175,016.48/262,538.54 = 86,221.55/x
  3. Step 3: Cross multiply
    175,016.48x = 262,538.54 × 86,221.55
  4. Step 4: Simplify right side
    175,016.48x = 22,636,478,109.74
  5. Step 5: Solve for x
    x = 22,636,478,109.74/175,016.48
  6. Step 6: Final answer
    x = 129,339.13

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1.5x scale

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.