Home / 141,130.56-211,531.68-52,315.68

Finding the Fourth Proportional to 141,130.56, 211,531.68 and 52,315.68

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Solution

The fourth proportional to 141,130.56, 211,531.68 and 52,315.68 is: 78,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,130.56 : 211,531.68 = 52,315.68 : x
  2. Step 2: Convert to fraction form
    141,130.56/211,531.68 = 52,315.68/x
  3. Step 3: Cross multiply
    141,130.56x = 211,531.68 × 52,315.68
  4. Step 4: Simplify right side
    141,130.56x = 11,066,423,680.74
  5. Step 5: Solve for x
    x = 11,066,423,680.74/141,130.56
  6. Step 6: Final answer
    x = 78,412.67

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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.