Home / 291,503.20-402,060.28-193,208.67

Finding the Fourth Proportional to 291,503.20, 402,060.28 and 193,208.67

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Solution

The fourth proportional to 291,503.20, 402,060.28 and 193,208.67 is: 266,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,503.20 : 402,060.28 = 193,208.67 : x
  2. Step 2: Convert to fraction form
    291,503.20/402,060.28 = 193,208.67/x
  3. Step 3: Cross multiply
    291,503.20x = 402,060.28 × 193,208.67
  4. Step 4: Simplify right side
    291,503.20x = 77,681,532,506.13
  5. Step 5: Solve for x
    x = 77,681,532,506.13/291,503.20
  6. Step 6: Final answer
    x = 266,486.04

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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.