Home / 289,216.90-433,809.15-89,535.70

Finding the Fourth Proportional to 289,216.90, 433,809.15 and 89,535.70

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Solution

The fourth proportional to 289,216.90, 433,809.15 and 89,535.70 is: 134,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,216.90 : 433,809.15 = 89,535.70 : x
  2. Step 2: Convert to fraction form
    289,216.90/433,809.15 = 89,535.70/x
  3. Step 3: Cross multiply
    289,216.90x = 433,809.15 × 89,535.70
  4. Step 4: Simplify right side
    289,216.90x = 38,841,405,911.66
  5. Step 5: Solve for x
    x = 38,841,405,911.66/289,216.90
  6. Step 6: Final answer
    x = 134,298.53

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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.