Home / 106,398.17-146,842.76-61,090.34

Finding the Fourth Proportional to 106,398.17, 146,842.76 and 61,090.34

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Solution

The fourth proportional to 106,398.17, 146,842.76 and 61,090.34 is: 84,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,398.17 : 146,842.76 = 61,090.34 : x
  2. Step 2: Convert to fraction form
    106,398.17/146,842.76 = 61,090.34/x
  3. Step 3: Cross multiply
    106,398.17x = 146,842.76 × 61,090.34
  4. Step 4: Simplify right side
    106,398.17x = 8,970,674,654.77
  5. Step 5: Solve for x
    x = 8,970,674,654.77/106,398.17
  6. Step 6: Final answer
    x = 84,312.31

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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.