Home / 145,362.55-200,679.74-88,011.67

Finding the Fourth Proportional to 145,362.55, 200,679.74 and 88,011.67

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Solution

The fourth proportional to 145,362.55, 200,679.74 and 88,011.67 is: 121,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,362.55 : 200,679.74 = 88,011.67 : x
  2. Step 2: Convert to fraction form
    145,362.55/200,679.74 = 88,011.67/x
  3. Step 3: Cross multiply
    145,362.55x = 200,679.74 × 88,011.67
  4. Step 4: Simplify right side
    145,362.55x = 17,662,159,052.57
  5. Step 5: Solve for x
    x = 17,662,159,052.57/145,362.55
  6. Step 6: Final answer
    x = 121,504.19

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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.