Home / 145,097.20-200,263.98-91,346.14

Finding the Fourth Proportional to 145,097.20, 200,263.98 and 91,346.14

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Solution

The fourth proportional to 145,097.20, 200,263.98 and 91,346.14 is: 126,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,097.20 : 200,263.98 = 91,346.14 : x
  2. Step 2: Convert to fraction form
    145,097.20/200,263.98 = 91,346.14/x
  3. Step 3: Cross multiply
    145,097.20x = 200,263.98 × 91,346.14
  4. Step 4: Simplify right side
    145,097.20x = 18,293,341,554.04
  5. Step 5: Solve for x
    x = 18,293,341,554.04/145,097.20
  6. Step 6: Final answer
    x = 126,076.46

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1.5x scale

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.