Home / 126,585.10-189,711.55-93,148.60

Finding the Fourth Proportional to 126,585.10, 189,711.55 and 93,148.60

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Solution

The fourth proportional to 126,585.10, 189,711.55 and 93,148.60 is: 139,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,585.10 : 189,711.55 = 93,148.60 : x
  2. Step 2: Convert to fraction form
    126,585.10/189,711.55 = 93,148.60/x
  3. Step 3: Cross multiply
    126,585.10x = 189,711.55 × 93,148.60
  4. Step 4: Simplify right side
    126,585.10x = 17,671,365,286.33
  5. Step 5: Solve for x
    x = 17,671,365,286.33/126,585.10
  6. Step 6: Final answer
    x = 139,600.67

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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.