Home / 129,215.20-193,880.40-59,058.40

Finding the Fourth Proportional to 129,215.20, 193,880.40 and 59,058.40

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Solution

The fourth proportional to 129,215.20, 193,880.40 and 59,058.40 is: 88,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,215.20 : 193,880.40 = 59,058.40 : x
  2. Step 2: Convert to fraction form
    129,215.20/193,880.40 = 59,058.40/x
  3. Step 3: Cross multiply
    129,215.20x = 193,880.40 × 59,058.40
  4. Step 4: Simplify right side
    129,215.20x = 11,450,266,215.36
  5. Step 5: Solve for x
    x = 11,450,266,215.36/129,215.20
  6. Step 6: Final answer
    x = 88,613.93

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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.