Home / 111,025.32-153,177.66-63,244.86

Finding the Fourth Proportional to 111,025.32, 153,177.66 and 63,244.86

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Solution

The fourth proportional to 111,025.32, 153,177.66 and 63,244.86 is: 87,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,025.32 : 153,177.66 = 63,244.86 : x
  2. Step 2: Convert to fraction form
    111,025.32/153,177.66 = 63,244.86/x
  3. Step 3: Cross multiply
    111,025.32x = 153,177.66 × 63,244.86
  4. Step 4: Simplify right side
    111,025.32x = 9,687,699,661.83
  5. Step 5: Solve for x
    x = 9,687,699,661.83/111,025.32
  6. Step 6: Final answer
    x = 87,256.67

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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.