Home / 143,587.76-215,376.30-58,195.67

Finding the Fourth Proportional to 143,587.76, 215,376.30 and 58,195.67

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Solution

The fourth proportional to 143,587.76, 215,376.30 and 58,195.67 is: 87,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,587.76 : 215,376.30 = 58,195.67 : x
  2. Step 2: Convert to fraction form
    143,587.76/215,376.30 = 58,195.67/x
  3. Step 3: Cross multiply
    143,587.76x = 215,376.30 × 58,195.67
  4. Step 4: Simplify right side
    143,587.76x = 12,533,967,003.74
  5. Step 5: Solve for x
    x = 12,533,967,003.74/143,587.76
  6. Step 6: Final answer
    x = 87,291.34

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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.