Home / 126,136.32-174,068.64-75,836.16

Finding the Fourth Proportional to 126,136.32, 174,068.64 and 75,836.16

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Solution

The fourth proportional to 126,136.32, 174,068.64 and 75,836.16 is: 104,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.32 : 174,068.64 = 75,836.16 : x
  2. Step 2: Convert to fraction form
    126,136.32/174,068.64 = 75,836.16/x
  3. Step 3: Cross multiply
    126,136.32x = 174,068.64 × 75,836.16
  4. Step 4: Simplify right side
    126,136.32x = 13,200,697,234.02
  5. Step 5: Solve for x
    x = 13,200,697,234.02/126,136.32
  6. Step 6: Final answer
    x = 104,654.21

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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.