Home / 129,114.12-193,496.04-62,421.42

Finding the Fourth Proportional to 129,114.12, 193,496.04 and 62,421.42

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Solution

The fourth proportional to 129,114.12, 193,496.04 and 62,421.42 is: 93,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.12 : 193,496.04 = 62,421.42 : x
  2. Step 2: Convert to fraction form
    129,114.12/193,496.04 = 62,421.42/x
  3. Step 3: Cross multiply
    129,114.12x = 193,496.04 × 62,421.42
  4. Step 4: Simplify right side
    129,114.12x = 12,078,297,581.18
  5. Step 5: Solve for x
    x = 12,078,297,581.18/129,114.12
  6. Step 6: Final answer
    x = 93,547.46

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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.