Home / 111,220.68-153,499.32-63,463.08

Finding the Fourth Proportional to 111,220.68, 153,499.32 and 63,463.08

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Solution

The fourth proportional to 111,220.68, 153,499.32 and 63,463.08 is: 87,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220.68 : 153,499.32 = 63,463.08 : x
  2. Step 2: Convert to fraction form
    111,220.68/153,499.32 = 63,463.08/x
  3. Step 3: Cross multiply
    111,220.68x = 153,499.32 × 63,463.08
  4. Step 4: Simplify right side
    111,220.68x = 9,741,539,625.11
  5. Step 5: Solve for x
    x = 9,741,539,625.11/111,220.68
  6. Step 6: Final answer
    x = 87,587.48

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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.