Home / 155,160.30-232,740.45-66,586.80

Finding the Fourth Proportional to 155,160.30, 232,740.45 and 66,586.80

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Solution

The fourth proportional to 155,160.30, 232,740.45 and 66,586.80 is: 99,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,160.30 : 232,740.45 = 66,586.80 : x
  2. Step 2: Convert to fraction form
    155,160.30/232,740.45 = 66,586.80/x
  3. Step 3: Cross multiply
    155,160.30x = 232,740.45 × 66,586.80
  4. Step 4: Simplify right side
    155,160.30x = 15,497,441,796.06
  5. Step 5: Solve for x
    x = 15,497,441,796.06/155,160.30
  6. Step 6: Final answer
    x = 99,880.20

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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.