Home / 311,986.89-430,541.89-168,746.93

Finding the Fourth Proportional to 311,986.89, 430,541.89 and 168,746.93

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Solution

The fourth proportional to 311,986.89, 430,541.89 and 168,746.93 is: 232,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,986.89 : 430,541.89 = 168,746.93 : x
  2. Step 2: Convert to fraction form
    311,986.89/430,541.89 = 168,746.93/x
  3. Step 3: Cross multiply
    311,986.89x = 430,541.89 × 168,746.93
  4. Step 4: Simplify right side
    311,986.89x = 72,652,622,173.90
  5. Step 5: Solve for x
    x = 72,652,622,173.90/311,986.89
  6. Step 6: Final answer
    x = 232,870.75

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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.