Home / 122,356.04-183,526.67-72,751.80

Finding the Fourth Proportional to 122,356.04, 183,526.67 and 72,751.80

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Solution

The fourth proportional to 122,356.04, 183,526.67 and 72,751.80 is: 109,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,356.04 : 183,526.67 = 72,751.80 : x
  2. Step 2: Convert to fraction form
    122,356.04/183,526.67 = 72,751.80/x
  3. Step 3: Cross multiply
    122,356.04x = 183,526.67 × 72,751.80
  4. Step 4: Simplify right side
    122,356.04x = 13,351,895,590.51
  5. Step 5: Solve for x
    x = 13,351,895,590.51/122,356.04
  6. Step 6: Final answer
    x = 109,123.31

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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.