Home / 111,605.04-154,014.48-61,302.96

Finding the Fourth Proportional to 111,605.04, 154,014.48 and 61,302.96

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Solution

The fourth proportional to 111,605.04, 154,014.48 and 61,302.96 is: 84,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,605.04 : 154,014.48 = 61,302.96 : x
  2. Step 2: Convert to fraction form
    111,605.04/154,014.48 = 61,302.96/x
  3. Step 3: Cross multiply
    111,605.04x = 154,014.48 × 61,302.96
  4. Step 4: Simplify right side
    111,605.04x = 9,441,543,506.86
  5. Step 5: Solve for x
    x = 9,441,543,506.86/111,605.04
  6. Step 6: Final answer
    x = 84,597.82

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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.