Home / 141,962.34-212,987.85-42,123.03

Finding the Fourth Proportional to 141,962.34, 212,987.85 and 42,123.03

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Solution

The fourth proportional to 141,962.34, 212,987.85 and 42,123.03 is: 63,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.34 : 212,987.85 = 42,123.03 : x
  2. Step 2: Convert to fraction form
    141,962.34/212,987.85 = 42,123.03/x
  3. Step 3: Cross multiply
    141,962.34x = 212,987.85 × 42,123.03
  4. Step 4: Simplify right side
    141,962.34x = 8,971,693,595.19
  5. Step 5: Solve for x
    x = 8,971,693,595.19/141,962.34
  6. Step 6: Final answer
    x = 63,197.70

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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.