Home / 289,030.20-433,545.30-102,060.60

Finding the Fourth Proportional to 289,030.20, 433,545.30 and 102,060.60

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Solution

The fourth proportional to 289,030.20, 433,545.30 and 102,060.60 is: 153,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,030.20 : 433,545.30 = 102,060.60 : x
  2. Step 2: Convert to fraction form
    289,030.20/433,545.30 = 102,060.60/x
  3. Step 3: Cross multiply
    289,030.20x = 433,545.30 × 102,060.60
  4. Step 4: Simplify right side
    289,030.20x = 44,247,893,445.18
  5. Step 5: Solve for x
    x = 44,247,893,445.18/289,030.20
  6. Step 6: Final answer
    x = 153,090.90

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1.5x scale

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.