Home / 126,509.58-174,594.06-69,931.80

Finding the Fourth Proportional to 126,509.58, 174,594.06 and 69,931.80

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Solution

The fourth proportional to 126,509.58, 174,594.06 and 69,931.80 is: 96,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,509.58 : 174,594.06 = 69,931.80 : x
  2. Step 2: Convert to fraction form
    126,509.58/174,594.06 = 69,931.80/x
  3. Step 3: Cross multiply
    126,509.58x = 174,594.06 × 69,931.80
  4. Step 4: Simplify right side
    126,509.58x = 12,209,676,885.11
  5. Step 5: Solve for x
    x = 12,209,676,885.11/126,509.58
  6. Step 6: Final answer
    x = 96,511.88

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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.