Home / 194,438.16-291,663.54-61,319.70

Finding the Fourth Proportional to 194,438.16, 291,663.54 and 61,319.70

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Solution

The fourth proportional to 194,438.16, 291,663.54 and 61,319.70 is: 91,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,438.16 : 291,663.54 = 61,319.70 : x
  2. Step 2: Convert to fraction form
    194,438.16/291,663.54 = 61,319.70/x
  3. Step 3: Cross multiply
    194,438.16x = 291,663.54 × 61,319.70
  4. Step 4: Simplify right side
    194,438.16x = 17,884,720,773.74
  5. Step 5: Solve for x
    x = 17,884,720,773.74/194,438.16
  6. Step 6: Final answer
    x = 91,981.54

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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.