Home / 110,953.89-153,108.09-63,197.91

Finding the Fourth Proportional to 110,953.89, 153,108.09 and 63,197.91

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Solution

The fourth proportional to 110,953.89, 153,108.09 and 63,197.91 is: 87,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,953.89 : 153,108.09 = 63,197.91 : x
  2. Step 2: Convert to fraction form
    110,953.89/153,108.09 = 63,197.91/x
  3. Step 3: Cross multiply
    110,953.89x = 153,108.09 × 63,197.91
  4. Step 4: Simplify right side
    110,953.89x = 9,676,111,292.09
  5. Step 5: Solve for x
    x = 9,676,111,292.09/110,953.89
  6. Step 6: Final answer
    x = 87,208.40

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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.