Home / 110,221.23-152,111.33-61,838.49

Finding the Fourth Proportional to 110,221.23, 152,111.33 and 61,838.49

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Solution

The fourth proportional to 110,221.23, 152,111.33 and 61,838.49 is: 85,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.23 : 152,111.33 = 61,838.49 : x
  2. Step 2: Convert to fraction form
    110,221.23/152,111.33 = 61,838.49/x
  3. Step 3: Cross multiply
    110,221.23x = 152,111.33 × 61,838.49
  4. Step 4: Simplify right side
    110,221.23x = 9,406,334,649.90
  5. Step 5: Solve for x
    x = 9,406,334,649.90/110,221.23
  6. Step 6: Final answer
    x = 85,340.50

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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.