Home / 289,113.88-433,437.07-120,763.18

Finding the Fourth Proportional to 289,113.88, 433,437.07 and 120,763.18

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Solution

The fourth proportional to 289,113.88, 433,437.07 and 120,763.18 is: 181,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,113.88 : 433,437.07 = 120,763.18 : x
  2. Step 2: Convert to fraction form
    289,113.88/433,437.07 = 120,763.18/x
  3. Step 3: Cross multiply
    289,113.88x = 433,437.07 × 120,763.18
  4. Step 4: Simplify right side
    289,113.88x = 52,343,238,903.08
  5. Step 5: Solve for x
    x = 52,343,238,903.08/289,113.88
  6. Step 6: Final answer
    x = 181,047.13

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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.