Home / 153,585.14-211,964.70-85,608.32

Finding the Fourth Proportional to 153,585.14, 211,964.70 and 85,608.32

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Solution

The fourth proportional to 153,585.14, 211,964.70 and 85,608.32 is: 118,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,585.14 : 211,964.70 = 85,608.32 : x
  2. Step 2: Convert to fraction form
    153,585.14/211,964.70 = 85,608.32/x
  3. Step 3: Cross multiply
    153,585.14x = 211,964.70 × 85,608.32
  4. Step 4: Simplify right side
    153,585.14x = 18,145,941,866.30
  5. Step 5: Solve for x
    x = 18,145,941,866.30/153,585.14
  6. Step 6: Final answer
    x = 118,149.07

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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.