Home / 126,136.98-174,068.33-69,548.40

Finding the Fourth Proportional to 126,136.98, 174,068.33 and 69,548.40

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Solution

The fourth proportional to 126,136.98, 174,068.33 and 69,548.40 is: 95,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.98 : 174,068.33 = 69,548.40 : x
  2. Step 2: Convert to fraction form
    126,136.98/174,068.33 = 69,548.40/x
  3. Step 3: Cross multiply
    126,136.98x = 174,068.33 × 69,548.40
  4. Step 4: Simplify right side
    126,136.98x = 12,106,173,494.43
  5. Step 5: Solve for x
    x = 12,106,173,494.43/126,136.98
  6. Step 6: Final answer
    x = 95,976.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.