Home / 389,002.16-583,269.96-178,376.24

Finding the Fourth Proportional to 389,002.16, 583,269.96 and 178,376.24

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Solution

The fourth proportional to 389,002.16, 583,269.96 and 178,376.24 is: 267,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,002.16 : 583,269.96 = 178,376.24 : x
  2. Step 2: Convert to fraction form
    389,002.16/583,269.96 = 178,376.24/x
  3. Step 3: Cross multiply
    389,002.16x = 583,269.96 × 178,376.24
  4. Step 4: Simplify right side
    389,002.16x = 104,041,502,369.75
  5. Step 5: Solve for x
    x = 104,041,502,369.75/389,002.16
  6. Step 6: Final answer
    x = 267,457.39

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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.