Home / 340,333.04-510,499.67-127,117.76

Finding the Fourth Proportional to 340,333.04, 510,499.67 and 127,117.76

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Solution

The fourth proportional to 340,333.04, 510,499.67 and 127,117.76 is: 190,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,333.04 : 510,499.67 = 127,117.76 : x
  2. Step 2: Convert to fraction form
    340,333.04/510,499.67 = 127,117.76/x
  3. Step 3: Cross multiply
    340,333.04x = 510,499.67 × 127,117.76
  4. Step 4: Simplify right side
    340,333.04x = 64,893,571,343.05
  5. Step 5: Solve for x
    x = 64,893,571,343.05/340,333.04
  6. Step 6: Final answer
    x = 190,676.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.