Home / 110,225.02-152,065.26-71,971.36

Finding the Fourth Proportional to 110,225.02, 152,065.26 and 71,971.36

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Solution

The fourth proportional to 110,225.02, 152,065.26 and 71,971.36 is: 99,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,225.02 : 152,065.26 = 71,971.36 : x
  2. Step 2: Convert to fraction form
    110,225.02/152,065.26 = 71,971.36/x
  3. Step 3: Cross multiply
    110,225.02x = 152,065.26 × 71,971.36
  4. Step 4: Simplify right side
    110,225.02x = 10,944,343,570.95
  5. Step 5: Solve for x
    x = 10,944,343,570.95/110,225.02
  6. Step 6: Final answer
    x = 99,290.92

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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.