Home / 111,336.08-153,653.48-61,044.88

Finding the Fourth Proportional to 111,336.08, 153,653.48 and 61,044.88

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Solution

The fourth proportional to 111,336.08, 153,653.48 and 61,044.88 is: 84,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,336.08 : 153,653.48 = 61,044.88 : x
  2. Step 2: Convert to fraction form
    111,336.08/153,653.48 = 61,044.88/x
  3. Step 3: Cross multiply
    111,336.08x = 153,653.48 × 61,044.88
  4. Step 4: Simplify right side
    111,336.08x = 9,379,758,248.18
  5. Step 5: Solve for x
    x = 9,379,758,248.18/111,336.08
  6. Step 6: Final answer
    x = 84,247.25

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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.