Home / 489,526.37-734,271.09-134,531.16

Finding the Fourth Proportional to 489,526.37, 734,271.09 and 134,531.16

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Solution

The fourth proportional to 489,526.37, 734,271.09 and 134,531.16 is: 201,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,526.37 : 734,271.09 = 134,531.16 : x
  2. Step 2: Convert to fraction form
    489,526.37/734,271.09 = 134,531.16/x
  3. Step 3: Cross multiply
    489,526.37x = 734,271.09 × 134,531.16
  4. Step 4: Simplify right side
    489,526.37x = 98,782,341,492.16
  5. Step 5: Solve for x
    x = 98,782,341,492.16/489,526.37
  6. Step 6: Final answer
    x = 201,791.67

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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.