Home / 124,837.80-187,256.70-82,847.40

Finding the Fourth Proportional to 124,837.80, 187,256.70 and 82,847.40

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Solution

The fourth proportional to 124,837.80, 187,256.70 and 82,847.40 is: 124,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.80 : 187,256.70 = 82,847.40 : x
  2. Step 2: Convert to fraction form
    124,837.80/187,256.70 = 82,847.40/x
  3. Step 3: Cross multiply
    124,837.80x = 187,256.70 × 82,847.40
  4. Step 4: Simplify right side
    124,837.80x = 15,513,730,727.58
  5. Step 5: Solve for x
    x = 15,513,730,727.58/124,837.80
  6. Step 6: Final answer
    x = 124,271.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.