Home / 292,611.20-403,803.45-158,475.20

Finding the Fourth Proportional to 292,611.20, 403,803.45 and 158,475.20

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Solution

The fourth proportional to 292,611.20, 403,803.45 and 158,475.20 is: 218,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,611.20 : 403,803.45 = 158,475.20 : x
  2. Step 2: Convert to fraction form
    292,611.20/403,803.45 = 158,475.20/x
  3. Step 3: Cross multiply
    292,611.20x = 403,803.45 × 158,475.20
  4. Step 4: Simplify right side
    292,611.20x = 63,992,830,480.42
  5. Step 5: Solve for x
    x = 63,992,830,480.42/292,611.20
  6. Step 6: Final answer
    x = 218,695.77

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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.