Home / 113,526.36-170,230.41-42,390.51

Finding the Fourth Proportional to 113,526.36, 170,230.41 and 42,390.51

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Solution

The fourth proportional to 113,526.36, 170,230.41 and 42,390.51 is: 63,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,526.36 : 170,230.41 = 42,390.51 : x
  2. Step 2: Convert to fraction form
    113,526.36/170,230.41 = 42,390.51/x
  3. Step 3: Cross multiply
    113,526.36x = 170,230.41 × 42,390.51
  4. Step 4: Simplify right side
    113,526.36x = 7,216,153,259.05
  5. Step 5: Solve for x
    x = 7,216,153,259.05/113,526.36
  6. Step 6: Final answer
    x = 63,563.68

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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.