Home / 153,006.24-211,147.16-85,023.30

Finding the Fourth Proportional to 153,006.24, 211,147.16 and 85,023.30

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Solution

The fourth proportional to 153,006.24, 211,147.16 and 85,023.30 is: 117,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,006.24 : 211,147.16 = 85,023.30 : x
  2. Step 2: Convert to fraction form
    153,006.24/211,147.16 = 85,023.30/x
  3. Step 3: Cross multiply
    153,006.24x = 211,147.16 × 85,023.30
  4. Step 4: Simplify right side
    153,006.24x = 17,952,428,328.83
  5. Step 5: Solve for x
    x = 17,952,428,328.83/153,006.24
  6. Step 6: Final answer
    x = 117,331.35

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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.