Home / 111,107.04-153,323.76-63,375.72

Finding the Fourth Proportional to 111,107.04, 153,323.76 and 63,375.72

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Solution

The fourth proportional to 111,107.04, 153,323.76 and 63,375.72 is: 87,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,107.04 : 153,323.76 = 63,375.72 : x
  2. Step 2: Convert to fraction form
    111,107.04/153,323.76 = 63,375.72/x
  3. Step 3: Cross multiply
    111,107.04x = 153,323.76 × 63,375.72
  4. Step 4: Simplify right side
    111,107.04x = 9,717,003,683.11
  5. Step 5: Solve for x
    x = 9,717,003,683.11/111,107.04
  6. Step 6: Final answer
    x = 87,456.24

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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.