Home / 289,030.20-433,545.30-155,841.90

Finding the Fourth Proportional to 289,030.20, 433,545.30 and 155,841.90

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Solution

The fourth proportional to 289,030.20, 433,545.30 and 155,841.90 is: 233,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,030.20 : 433,545.30 = 155,841.90 : x
  2. Step 2: Convert to fraction form
    289,030.20/433,545.30 = 155,841.90/x
  3. Step 3: Cross multiply
    289,030.20x = 433,545.30 × 155,841.90
  4. Step 4: Simplify right side
    289,030.20x = 67,564,523,288.07
  5. Step 5: Solve for x
    x = 67,564,523,288.07/289,030.20
  6. Step 6: Final answer
    x = 233,762.85

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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.