Home / 314,006.20-471,082.80-103,643.93

Finding the Fourth Proportional to 314,006.20, 471,082.80 and 103,643.93

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Solution

The fourth proportional to 314,006.20, 471,082.80 and 103,643.93 is: 155,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,006.20 : 471,082.80 = 103,643.93 : x
  2. Step 2: Convert to fraction form
    314,006.20/471,082.80 = 103,643.93/x
  3. Step 3: Cross multiply
    314,006.20x = 471,082.80 × 103,643.93
  4. Step 4: Simplify right side
    314,006.20x = 48,824,872,747.40
  5. Step 5: Solve for x
    x = 48,824,872,747.40/314,006.20
  6. Step 6: Final answer
    x = 155,490.16

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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.