Home / 289,246.51-433,703.65-154,144.25

Finding the Fourth Proportional to 289,246.51, 433,703.65 and 154,144.25

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Solution

The fourth proportional to 289,246.51, 433,703.65 and 154,144.25 is: 231,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,246.51 : 433,703.65 = 154,144.25 : x
  2. Step 2: Convert to fraction form
    289,246.51/433,703.65 = 154,144.25/x
  3. Step 3: Cross multiply
    289,246.51x = 433,703.65 × 154,144.25
  4. Step 4: Simplify right side
    289,246.51x = 66,852,923,851.51
  5. Step 5: Solve for x
    x = 66,852,923,851.51/289,246.51
  6. Step 6: Final answer
    x = 231,127.85

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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.