Home / 113,159.23-169,775.70-53,987.24

Finding the Fourth Proportional to 113,159.23, 169,775.70 and 53,987.24

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Solution

The fourth proportional to 113,159.23, 169,775.70 and 53,987.24 is: 80,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,159.23 : 169,775.70 = 53,987.24 : x
  2. Step 2: Convert to fraction form
    113,159.23/169,775.70 = 53,987.24/x
  3. Step 3: Cross multiply
    113,159.23x = 169,775.70 × 53,987.24
  4. Step 4: Simplify right side
    113,159.23x = 9,165,721,684.06
  5. Step 5: Solve for x
    x = 9,165,721,684.06/113,159.23
  6. Step 6: Final answer
    x = 80,998.45

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1.5x scale

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.