Home / 316,856.75-437,262.33-173,622.23

Finding the Fourth Proportional to 316,856.75, 437,262.33 and 173,622.23

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Solution

The fourth proportional to 316,856.75, 437,262.33 and 173,622.23 is: 239,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,856.75 : 437,262.33 = 173,622.23 : x
  2. Step 2: Convert to fraction form
    316,856.75/437,262.33 = 173,622.23/x
  3. Step 3: Cross multiply
    316,856.75x = 437,262.33 × 173,622.23
  4. Step 4: Simplify right side
    316,856.75x = 75,918,460,829.60
  5. Step 5: Solve for x
    x = 75,918,460,829.60/316,856.75
  6. Step 6: Final answer
    x = 239,598.69

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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.