Home / 142,848.12-214,312.30-52,889.48

Finding the Fourth Proportional to 142,848.12, 214,312.30 and 52,889.48

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Solution

The fourth proportional to 142,848.12, 214,312.30 and 52,889.48 is: 79,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848.12 : 214,312.30 = 52,889.48 : x
  2. Step 2: Convert to fraction form
    142,848.12/214,312.30 = 52,889.48/x
  3. Step 3: Cross multiply
    142,848.12x = 214,312.30 × 52,889.48
  4. Step 4: Simplify right side
    142,848.12x = 11,334,866,104.60
  5. Step 5: Solve for x
    x = 11,334,866,104.60/142,848.12
  6. Step 6: Final answer
    x = 79,349.07

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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.