Home / 147,235.16-220,574.10-87,083.48

Finding the Fourth Proportional to 147,235.16, 220,574.10 and 87,083.48

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Solution

The fourth proportional to 147,235.16, 220,574.10 and 87,083.48 is: 130,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,235.16 : 220,574.10 = 87,083.48 : x
  2. Step 2: Convert to fraction form
    147,235.16/220,574.10 = 87,083.48/x
  3. Step 3: Cross multiply
    147,235.16x = 220,574.10 × 87,083.48
  4. Step 4: Simplify right side
    147,235.16x = 19,208,360,225.87
  5. Step 5: Solve for x
    x = 19,208,360,225.87/147,235.16
  6. Step 6: Final answer
    x = 130,460.42

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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.