Home / 207,130.56-310,682.94-99,136.63

Finding the Fourth Proportional to 207,130.56, 310,682.94 and 99,136.63

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Solution

The fourth proportional to 207,130.56, 310,682.94 and 99,136.63 is: 148,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,130.56 : 310,682.94 = 99,136.63 : x
  2. Step 2: Convert to fraction form
    207,130.56/310,682.94 = 99,136.63/x
  3. Step 3: Cross multiply
    207,130.56x = 310,682.94 × 99,136.63
  4. Step 4: Simplify right side
    207,130.56x = 30,800,060,058.45
  5. Step 5: Solve for x
    x = 30,800,060,058.45/207,130.56
  6. Step 6: Final answer
    x = 148,698.77

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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.