Home / 261,526.86-392,290.29-74,533.50

Finding the Fourth Proportional to 261,526.86, 392,290.29 and 74,533.50

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Solution

The fourth proportional to 261,526.86, 392,290.29 and 74,533.50 is: 111,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,526.86 : 392,290.29 = 74,533.50 : x
  2. Step 2: Convert to fraction form
    261,526.86/392,290.29 = 74,533.50/x
  3. Step 3: Cross multiply
    261,526.86x = 392,290.29 × 74,533.50
  4. Step 4: Simplify right side
    261,526.86x = 29,238,768,329.72
  5. Step 5: Solve for x
    x = 29,238,768,329.72/261,526.86
  6. Step 6: Final answer
    x = 111,800.25

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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.