Home / 124,912.10-187,368.15-87,514.40

Finding the Fourth Proportional to 124,912.10, 187,368.15 and 87,514.40

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Solution

The fourth proportional to 124,912.10, 187,368.15 and 87,514.40 is: 131,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.10 : 187,368.15 = 87,514.40 : x
  2. Step 2: Convert to fraction form
    124,912.10/187,368.15 = 87,514.40/x
  3. Step 3: Cross multiply
    124,912.10x = 187,368.15 × 87,514.40
  4. Step 4: Simplify right side
    124,912.10x = 16,397,411,226.36
  5. Step 5: Solve for x
    x = 16,397,411,226.36/124,912.10
  6. Step 6: Final answer
    x = 131,271.60

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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.