Home / 110,771.19-152,802.69-72,592.32

Finding the Fourth Proportional to 110,771.19, 152,802.69 and 72,592.32

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Solution

The fourth proportional to 110,771.19, 152,802.69 and 72,592.32 is: 100,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,771.19 : 152,802.69 = 72,592.32 : x
  2. Step 2: Convert to fraction form
    110,771.19/152,802.69 = 72,592.32/x
  3. Step 3: Cross multiply
    110,771.19x = 152,802.69 × 72,592.32
  4. Step 4: Simplify right side
    110,771.19x = 11,092,301,769.34
  5. Step 5: Solve for x
    x = 11,092,301,769.34/110,771.19
  6. Step 6: Final answer
    x = 100,137.06

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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.