Home / 140,389.14-193,248.81-122,452.91

Finding the Fourth Proportional to 140,389.14, 193,248.81 and 122,452.91

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Solution

The fourth proportional to 140,389.14, 193,248.81 and 122,452.91 is: 168,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,389.14 : 193,248.81 = 122,452.91 : x
  2. Step 2: Convert to fraction form
    140,389.14/193,248.81 = 122,452.91/x
  3. Step 3: Cross multiply
    140,389.14x = 193,248.81 × 122,452.91
  4. Step 4: Simplify right side
    140,389.14x = 23,663,878,172.29
  5. Step 5: Solve for x
    x = 23,663,878,172.29/140,389.14
  6. Step 6: Final answer
    x = 168,559.18

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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.