Home / 111,227.07-153,478.62-63,477.57

Finding the Fourth Proportional to 111,227.07, 153,478.62 and 63,477.57

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Solution

The fourth proportional to 111,227.07, 153,478.62 and 63,477.57 is: 87,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,227.07 : 153,478.62 = 63,477.57 : x
  2. Step 2: Convert to fraction form
    111,227.07/153,478.62 = 63,477.57/x
  3. Step 3: Cross multiply
    111,227.07x = 153,478.62 × 63,477.57
  4. Step 4: Simplify right side
    111,227.07x = 9,742,449,844.55
  5. Step 5: Solve for x
    x = 9,742,449,844.55/111,227.07
  6. Step 6: Final answer
    x = 87,590.64

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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.