Home / 211,219.02-314,944.45-187,747.02

Finding the Fourth Proportional to 211,219.02, 314,944.45 and 187,747.02

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Solution

The fourth proportional to 211,219.02, 314,944.45 and 187,747.02 is: 279,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,219.02 : 314,944.45 = 187,747.02 : x
  2. Step 2: Convert to fraction form
    211,219.02/314,944.45 = 187,747.02/x
  3. Step 3: Cross multiply
    211,219.02x = 314,944.45 × 187,747.02
  4. Step 4: Simplify right side
    211,219.02x = 59,129,881,953.04
  5. Step 5: Solve for x
    x = 59,129,881,953.04/211,219.02
  6. Step 6: Final answer
    x = 279,945.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.