Home / 316,445.52-436,586.25-180,381.33

Finding the Fourth Proportional to 316,445.52, 436,586.25 and 180,381.33

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Solution

The fourth proportional to 316,445.52, 436,586.25 and 180,381.33 is: 248,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,445.52 : 436,586.25 = 180,381.33 : x
  2. Step 2: Convert to fraction form
    316,445.52/436,586.25 = 180,381.33/x
  3. Step 3: Cross multiply
    316,445.52x = 436,586.25 × 180,381.33
  4. Step 4: Simplify right side
    316,445.52x = 78,752,008,434.71
  5. Step 5: Solve for x
    x = 78,752,008,434.71/316,445.52
  6. Step 6: Final answer
    x = 248,864.35

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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.