Home / 231,569.40-347,354.10-98,405.40

Finding the Fourth Proportional to 231,569.40, 347,354.10 and 98,405.40

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Solution

The fourth proportional to 231,569.40, 347,354.10 and 98,405.40 is: 147,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,569.40 : 347,354.10 = 98,405.40 : x
  2. Step 2: Convert to fraction form
    231,569.40/347,354.10 = 98,405.40/x
  3. Step 3: Cross multiply
    231,569.40x = 347,354.10 × 98,405.40
  4. Step 4: Simplify right side
    231,569.40x = 34,181,519,152.14
  5. Step 5: Solve for x
    x = 34,181,519,152.14/231,569.40
  6. Step 6: Final answer
    x = 147,608.10

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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.