Home / 291,433.53-402,196.45-176,722.35

Finding the Fourth Proportional to 291,433.53, 402,196.45 and 176,722.35

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Solution

The fourth proportional to 291,433.53, 402,196.45 and 176,722.35 is: 243,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,433.53 : 402,196.45 = 176,722.35 : x
  2. Step 2: Convert to fraction form
    291,433.53/402,196.45 = 176,722.35/x
  3. Step 3: Cross multiply
    291,433.53x = 402,196.45 × 176,722.35
  4. Step 4: Simplify right side
    291,433.53x = 71,077,101,805.66
  5. Step 5: Solve for x
    x = 71,077,101,805.66/291,433.53
  6. Step 6: Final answer
    x = 243,887.87

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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.