Home / 374,036.32-516,037.20-221,042.08

Finding the Fourth Proportional to 374,036.32, 516,037.20 and 221,042.08

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Solution

The fourth proportional to 374,036.32, 516,037.20 and 221,042.08 is: 304,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,036.32 : 516,037.20 = 221,042.08 : x
  2. Step 2: Convert to fraction form
    374,036.32/516,037.20 = 221,042.08/x
  3. Step 3: Cross multiply
    374,036.32x = 516,037.20 × 221,042.08
  4. Step 4: Simplify right side
    374,036.32x = 114,065,936,045.38
  5. Step 5: Solve for x
    x = 114,065,936,045.38/374,036.32
  6. Step 6: Final answer
    x = 304,959.52

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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.