Home / 289,030.02-433,610.91-155,907.33

Finding the Fourth Proportional to 289,030.02, 433,610.91 and 155,907.33

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Solution

The fourth proportional to 289,030.02, 433,610.91 and 155,907.33 is: 233,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,030.02 : 433,610.91 = 155,907.33 : x
  2. Step 2: Convert to fraction form
    289,030.02/433,610.91 = 155,907.33/x
  3. Step 3: Cross multiply
    289,030.02x = 433,610.91 × 155,907.33
  4. Step 4: Simplify right side
    289,030.02x = 67,603,119,236.97
  5. Step 5: Solve for x
    x = 67,603,119,236.97/289,030.02
  6. Step 6: Final answer
    x = 233,896.53

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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.