Home / 153,012.24-211,158.04-85,035.57

Finding the Fourth Proportional to 153,012.24, 211,158.04 and 85,035.57

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Solution

The fourth proportional to 153,012.24, 211,158.04 and 85,035.57 is: 117,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,012.24 : 211,158.04 = 85,035.57 : x
  2. Step 2: Convert to fraction form
    153,012.24/211,158.04 = 85,035.57/x
  3. Step 3: Cross multiply
    153,012.24x = 211,158.04 × 85,035.57
  4. Step 4: Simplify right side
    153,012.24x = 17,955,944,634.26
  5. Step 5: Solve for x
    x = 17,955,944,634.26/153,012.24
  6. Step 6: Final answer
    x = 117,349.73

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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.