Home / 237,899.16-356,922.76-77,976.50

Finding the Fourth Proportional to 237,899.16, 356,922.76 and 77,976.50

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Solution

The fourth proportional to 237,899.16, 356,922.76 and 77,976.50 is: 116,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,899.16 : 356,922.76 = 77,976.50 : x
  2. Step 2: Convert to fraction form
    237,899.16/356,922.76 = 77,976.50/x
  3. Step 3: Cross multiply
    237,899.16x = 356,922.76 × 77,976.50
  4. Step 4: Simplify right side
    237,899.16x = 27,831,587,595.14
  5. Step 5: Solve for x
    x = 27,831,587,595.14/237,899.16
  6. Step 6: Final answer
    x = 116,989.01

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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.