Home / 142,417.85-196,492.23-94,679.28

Finding the Fourth Proportional to 142,417.85, 196,492.23 and 94,679.28

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Solution

The fourth proportional to 142,417.85, 196,492.23 and 94,679.28 is: 130,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,417.85 : 196,492.23 = 94,679.28 : x
  2. Step 2: Convert to fraction form
    142,417.85/196,492.23 = 94,679.28/x
  3. Step 3: Cross multiply
    142,417.85x = 196,492.23 × 94,679.28
  4. Step 4: Simplify right side
    142,417.85x = 18,603,742,861.99
  5. Step 5: Solve for x
    x = 18,603,742,861.99/142,417.85
  6. Step 6: Final answer
    x = 130,627.89

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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.