Home / 492,111.15-738,075.60-137,051.70

Finding the Fourth Proportional to 492,111.15, 738,075.60 and 137,051.70

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Solution

The fourth proportional to 492,111.15, 738,075.60 and 137,051.70 is: 205,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,111.15 : 738,075.60 = 137,051.70 : x
  2. Step 2: Convert to fraction form
    492,111.15/738,075.60 = 137,051.70/x
  3. Step 3: Cross multiply
    492,111.15x = 738,075.60 × 137,051.70
  4. Step 4: Simplify right side
    492,111.15x = 101,154,515,708.52
  5. Step 5: Solve for x
    x = 101,154,515,708.52/492,111.15
  6. Step 6: Final answer
    x = 205,552.17

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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.