Home / 316,623.59-436,927.43-173,381.16

Finding the Fourth Proportional to 316,623.59, 436,927.43 and 173,381.16

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Solution

The fourth proportional to 316,623.59, 436,927.43 and 173,381.16 is: 239,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,623.59 : 436,927.43 = 173,381.16 : x
  2. Step 2: Convert to fraction form
    316,623.59/436,927.43 = 173,381.16/x
  3. Step 3: Cross multiply
    316,623.59x = 436,927.43 × 173,381.16
  4. Step 4: Simplify right side
    316,623.59x = 75,754,985,524.81
  5. Step 5: Solve for x
    x = 75,754,985,524.81/316,623.59
  6. Step 6: Final answer
    x = 239,258.82

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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.