Home / 145,346.69-200,582.98-87,996.53

Finding the Fourth Proportional to 145,346.69, 200,582.98 and 87,996.53

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Solution

The fourth proportional to 145,346.69, 200,582.98 and 87,996.53 is: 121,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,346.69 : 200,582.98 = 87,996.53 : x
  2. Step 2: Convert to fraction form
    145,346.69/200,582.98 = 87,996.53/x
  3. Step 3: Cross multiply
    145,346.69x = 200,582.98 × 87,996.53
  4. Step 4: Simplify right side
    145,346.69x = 17,650,606,217.06
  5. Step 5: Solve for x
    x = 17,650,606,217.06/145,346.69
  6. Step 6: Final answer
    x = 121,437.96

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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.