Home / 153,318.56-211,676.82-105,001.52

Finding the Fourth Proportional to 153,318.56, 211,676.82 and 105,001.52

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Solution

The fourth proportional to 153,318.56, 211,676.82 and 105,001.52 is: 144,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,318.56 : 211,676.82 = 105,001.52 : x
  2. Step 2: Convert to fraction form
    153,318.56/211,676.82 = 105,001.52/x
  3. Step 3: Cross multiply
    153,318.56x = 211,676.82 × 105,001.52
  4. Step 4: Simplify right side
    153,318.56x = 22,226,387,848.77
  5. Step 5: Solve for x
    x = 22,226,387,848.77/153,318.56
  6. Step 6: Final answer
    x = 144,968.67

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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.