Home / 155,461.40-233,192.10-118,136.60

Finding the Fourth Proportional to 155,461.40, 233,192.10 and 118,136.60

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Solution

The fourth proportional to 155,461.40, 233,192.10 and 118,136.60 is: 177,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,461.40 : 233,192.10 = 118,136.60 : x
  2. Step 2: Convert to fraction form
    155,461.40/233,192.10 = 118,136.60/x
  3. Step 3: Cross multiply
    155,461.40x = 233,192.10 × 118,136.60
  4. Step 4: Simplify right side
    155,461.40x = 27,548,521,840.86
  5. Step 5: Solve for x
    x = 27,548,521,840.86/155,461.40
  6. Step 6: Final answer
    x = 177,204.90

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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.