Home / 142,501.32-213,682.93-58,228.02

Finding the Fourth Proportional to 142,501.32, 213,682.93 and 58,228.02

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Solution

The fourth proportional to 142,501.32, 213,682.93 and 58,228.02 is: 87,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,501.32 : 213,682.93 = 58,228.02 : x
  2. Step 2: Convert to fraction form
    142,501.32/213,682.93 = 58,228.02/x
  3. Step 3: Cross multiply
    142,501.32x = 213,682.93 × 58,228.02
  4. Step 4: Simplify right side
    142,501.32x = 12,442,333,776.13
  5. Step 5: Solve for x
    x = 12,442,333,776.13/142,501.32
  6. Step 6: Final answer
    x = 87,313.81

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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.