Home / 316,815.24-437,205.04-173,580.72

Finding the Fourth Proportional to 316,815.24, 437,205.04 and 173,580.72

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Solution

The fourth proportional to 316,815.24, 437,205.04 and 173,580.72 is: 239,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,815.24 : 437,205.04 = 173,580.72 : x
  2. Step 2: Convert to fraction form
    316,815.24/437,205.04 = 173,580.72/x
  3. Step 3: Cross multiply
    316,815.24x = 437,205.04 × 173,580.72
  4. Step 4: Simplify right side
    316,815.24x = 75,890,365,630.83
  5. Step 5: Solve for x
    x = 75,890,365,630.83/316,815.24
  6. Step 6: Final answer
    x = 239,541.40

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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.