Home / 153,339.03-211,613.97-92,875.57

Finding the Fourth Proportional to 153,339.03, 211,613.97 and 92,875.57

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Solution

The fourth proportional to 153,339.03, 211,613.97 and 92,875.57 is: 128,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,339.03 : 211,613.97 = 92,875.57 : x
  2. Step 2: Convert to fraction form
    153,339.03/211,613.97 = 92,875.57/x
  3. Step 3: Cross multiply
    153,339.03x = 211,613.97 × 92,875.57
  4. Step 4: Simplify right side
    153,339.03x = 19,653,768,083.71
  5. Step 5: Solve for x
    x = 19,653,768,083.71/153,339.03
  6. Step 6: Final answer
    x = 128,171.99

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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.