Home / 247,814.34-342,000.69-140,385.24

Finding the Fourth Proportional to 247,814.34, 342,000.69 and 140,385.24

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Solution

The fourth proportional to 247,814.34, 342,000.69 and 140,385.24 is: 193,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,814.34 : 342,000.69 = 140,385.24 : x
  2. Step 2: Convert to fraction form
    247,814.34/342,000.69 = 140,385.24/x
  3. Step 3: Cross multiply
    247,814.34x = 342,000.69 × 140,385.24
  4. Step 4: Simplify right side
    247,814.34x = 48,011,848,945.82
  5. Step 5: Solve for x
    x = 48,011,848,945.82/247,814.34
  6. Step 6: Final answer
    x = 193,741.21

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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.