Home / 137,907.04-190,332.33-84,222.94

Finding the Fourth Proportional to 137,907.04, 190,332.33 and 84,222.94

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Solution

The fourth proportional to 137,907.04, 190,332.33 and 84,222.94 is: 116,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,907.04 : 190,332.33 = 84,222.94 : x
  2. Step 2: Convert to fraction form
    137,907.04/190,332.33 = 84,222.94/x
  3. Step 3: Cross multiply
    137,907.04x = 190,332.33 × 84,222.94
  4. Step 4: Simplify right side
    137,907.04x = 16,030,348,409.65
  5. Step 5: Solve for x
    x = 16,030,348,409.65/137,907.04
  6. Step 6: Final answer
    x = 116,240.25

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1.5x scale

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.