Home / 111,072.48-153,276.21-63,341.19

Finding the Fourth Proportional to 111,072.48, 153,276.21 and 63,341.19

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Solution

The fourth proportional to 111,072.48, 153,276.21 and 63,341.19 is: 87,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,072.48 : 153,276.21 = 63,341.19 : x
  2. Step 2: Convert to fraction form
    111,072.48/153,276.21 = 63,341.19/x
  3. Step 3: Cross multiply
    111,072.48x = 153,276.21 × 63,341.19
  4. Step 4: Simplify right side
    111,072.48x = 9,708,697,540.09
  5. Step 5: Solve for x
    x = 9,708,697,540.09/111,072.48
  6. Step 6: Final answer
    x = 87,408.67

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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.