Home / 152,575.40-210,566.52-84,613.72

Finding the Fourth Proportional to 152,575.40, 210,566.52 and 84,613.72

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Solution

The fourth proportional to 152,575.40, 210,566.52 and 84,613.72 is: 116,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,575.40 : 210,566.52 = 84,613.72 : x
  2. Step 2: Convert to fraction form
    152,575.40/210,566.52 = 84,613.72/x
  3. Step 3: Cross multiply
    152,575.40x = 210,566.52 × 84,613.72
  4. Step 4: Simplify right side
    152,575.40x = 17,816,816,564.65
  5. Step 5: Solve for x
    x = 17,816,816,564.65/152,575.40
  6. Step 6: Final answer
    x = 116,773.85

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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.