Home / 113,942.23-157,208.29-65,541.63

Finding the Fourth Proportional to 113,942.23, 157,208.29 and 65,541.63

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Solution

The fourth proportional to 113,942.23, 157,208.29 and 65,541.63 is: 90,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942.23 : 157,208.29 = 65,541.63 : x
  2. Step 2: Convert to fraction form
    113,942.23/157,208.29 = 65,541.63/x
  3. Step 3: Cross multiply
    113,942.23x = 157,208.29 × 65,541.63
  4. Step 4: Simplify right side
    113,942.23x = 10,303,686,822.73
  5. Step 5: Solve for x
    x = 10,303,686,822.73/113,942.23
  6. Step 6: Final answer
    x = 90,429.04

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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.