Home / 252,177.90-348,000.75-137,457.60

Finding the Fourth Proportional to 252,177.90, 348,000.75 and 137,457.60

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Solution

The fourth proportional to 252,177.90, 348,000.75 and 137,457.60 is: 189,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,177.90 : 348,000.75 = 137,457.60 : x
  2. Step 2: Convert to fraction form
    252,177.90/348,000.75 = 137,457.60/x
  3. Step 3: Cross multiply
    252,177.90x = 348,000.75 × 137,457.60
  4. Step 4: Simplify right side
    252,177.90x = 47,835,347,893.20
  5. Step 5: Solve for x
    x = 47,835,347,893.20/252,177.90
  6. Step 6: Final answer
    x = 189,688.90

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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.