Home / 112,002.18-154,508.52-71,683.62

Finding the Fourth Proportional to 112,002.18, 154,508.52 and 71,683.62

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Solution

The fourth proportional to 112,002.18, 154,508.52 and 71,683.62 is: 98,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.18 : 154,508.52 = 71,683.62 : x
  2. Step 2: Convert to fraction form
    112,002.18/154,508.52 = 71,683.62/x
  3. Step 3: Cross multiply
    112,002.18x = 154,508.52 × 71,683.62
  4. Step 4: Simplify right side
    112,002.18x = 11,075,730,034.44
  5. Step 5: Solve for x
    x = 11,075,730,034.44/112,002.18
  6. Step 6: Final answer
    x = 98,888.52

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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.