Home / 153,549.68-211,895.10-85,566.32

Finding the Fourth Proportional to 153,549.68, 211,895.10 and 85,566.32

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Solution

The fourth proportional to 153,549.68, 211,895.10 and 85,566.32 is: 118,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,549.68 : 211,895.10 = 85,566.32 : x
  2. Step 2: Convert to fraction form
    153,549.68/211,895.10 = 85,566.32/x
  3. Step 3: Cross multiply
    153,549.68x = 211,895.10 × 85,566.32
  4. Step 4: Simplify right side
    153,549.68x = 18,131,083,933.03
  5. Step 5: Solve for x
    x = 18,131,083,933.03/153,549.68
  6. Step 6: Final answer
    x = 118,079.59

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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.