Home / 152,516.28-210,421.98-92,064

Finding the Fourth Proportional to 152,516.28, 210,421.98 and 92,064

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Solution

The fourth proportional to 152,516.28, 210,421.98 and 92,064 is: 127,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,516.28 : 210,421.98 = 92,064 : x
  2. Step 2: Convert to fraction form
    152,516.28/210,421.98 = 92,064/x
  3. Step 3: Cross multiply
    152,516.28x = 210,421.98 × 92,064
  4. Step 4: Simplify right side
    152,516.28x = 19,372,289,166.72
  5. Step 5: Solve for x
    x = 19,372,289,166.72/152,516.28
  6. Step 6: Final answer
    x = 127,017.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.