Home / 111,582.32-153,984.44-63,832.72

Finding the Fourth Proportional to 111,582.32, 153,984.44 and 63,832.72

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Solution

The fourth proportional to 111,582.32, 153,984.44 and 63,832.72 is: 88,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,582.32 : 153,984.44 = 63,832.72 : x
  2. Step 2: Convert to fraction form
    111,582.32/153,984.44 = 63,832.72/x
  3. Step 3: Cross multiply
    111,582.32x = 153,984.44 × 63,832.72
  4. Step 4: Simplify right side
    111,582.32x = 9,829,245,642.88
  5. Step 5: Solve for x
    x = 9,829,245,642.88/111,582.32
  6. Step 6: Final answer
    x = 88,089.63

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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.