Home / 470,829.70-705,985.35-155,124.10

Finding the Fourth Proportional to 470,829.70, 705,985.35 and 155,124.10

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Solution

The fourth proportional to 470,829.70, 705,985.35 and 155,124.10 is: 232,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,829.70 : 705,985.35 = 155,124.10 : x
  2. Step 2: Convert to fraction form
    470,829.70/705,985.35 = 155,124.10/x
  3. Step 3: Cross multiply
    470,829.70x = 705,985.35 × 155,124.10
  4. Step 4: Simplify right side
    470,829.70x = 109,515,342,031.94
  5. Step 5: Solve for x
    x = 109,515,342,031.94/470,829.70
  6. Step 6: Final answer
    x = 232,600.75

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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.