Home / 316,835.28-437,232.60-173,600.76

Finding the Fourth Proportional to 316,835.28, 437,232.60 and 173,600.76

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Solution

The fourth proportional to 316,835.28, 437,232.60 and 173,600.76 is: 239,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,835.28 : 437,232.60 = 173,600.76 : x
  2. Step 2: Convert to fraction form
    316,835.28/437,232.60 = 173,600.76/x
  3. Step 3: Cross multiply
    316,835.28x = 437,232.60 × 173,600.76
  4. Step 4: Simplify right side
    316,835.28x = 75,903,911,656.78
  5. Step 5: Solve for x
    x = 75,903,911,656.78/316,835.28
  6. Step 6: Final answer
    x = 239,569.00

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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.