Home / 111,403.12-153,709.86-63,006.16

Finding the Fourth Proportional to 111,403.12, 153,709.86 and 63,006.16

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Solution

The fourth proportional to 111,403.12, 153,709.86 and 63,006.16 is: 86,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,403.12 : 153,709.86 = 63,006.16 : x
  2. Step 2: Convert to fraction form
    111,403.12/153,709.86 = 63,006.16/x
  3. Step 3: Cross multiply
    111,403.12x = 153,709.86 × 63,006.16
  4. Step 4: Simplify right side
    111,403.12x = 9,684,668,032.74
  5. Step 5: Solve for x
    x = 9,684,668,032.74/111,403.12
  6. Step 6: Final answer
    x = 86,933.54

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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.