Home / 110,855.19-152,980.31-63,108.47

Finding the Fourth Proportional to 110,855.19, 152,980.31 and 63,108.47

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Solution

The fourth proportional to 110,855.19, 152,980.31 and 63,108.47 is: 87,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,855.19 : 152,980.31 = 63,108.47 : x
  2. Step 2: Convert to fraction form
    110,855.19/152,980.31 = 63,108.47/x
  3. Step 3: Cross multiply
    110,855.19x = 152,980.31 × 63,108.47
  4. Step 4: Simplify right side
    110,855.19x = 9,654,353,371.13
  5. Step 5: Solve for x
    x = 9,654,353,371.13/110,855.19
  6. Step 6: Final answer
    x = 87,089.77

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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.