Home / 309,946.80-464,477.40-176,545.20

Finding the Fourth Proportional to 309,946.80, 464,477.40 and 176,545.20

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Solution

The fourth proportional to 309,946.80, 464,477.40 and 176,545.20 is: 264,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,946.80 : 464,477.40 = 176,545.20 : x
  2. Step 2: Convert to fraction form
    309,946.80/464,477.40 = 176,545.20/x
  3. Step 3: Cross multiply
    309,946.80x = 464,477.40 × 176,545.20
  4. Step 4: Simplify right side
    309,946.80x = 82,001,255,478.48
  5. Step 5: Solve for x
    x = 82,001,255,478.48/309,946.80
  6. Step 6: Final answer
    x = 264,565.58

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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.