Home / 153,116.19-211,309.91-85,148.37

Finding the Fourth Proportional to 153,116.19, 211,309.91 and 85,148.37

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Solution

The fourth proportional to 153,116.19, 211,309.91 and 85,148.37 is: 117,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,116.19 : 211,309.91 = 85,148.37 : x
  2. Step 2: Convert to fraction form
    153,116.19/211,309.91 = 85,148.37/x
  3. Step 3: Cross multiply
    153,116.19x = 211,309.91 × 85,148.37
  4. Step 4: Simplify right side
    153,116.19x = 17,992,692,919.06
  5. Step 5: Solve for x
    x = 17,992,692,919.06/153,116.19
  6. Step 6: Final answer
    x = 117,510.07

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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.