Home / 316,256.02-474,594.10-147,789.38

Finding the Fourth Proportional to 316,256.02, 474,594.10 and 147,789.38

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Solution

The fourth proportional to 316,256.02, 474,594.10 and 147,789.38 is: 221,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,256.02 : 474,594.10 = 147,789.38 : x
  2. Step 2: Convert to fraction form
    316,256.02/474,594.10 = 147,789.38/x
  3. Step 3: Cross multiply
    316,256.02x = 474,594.10 × 147,789.38
  4. Step 4: Simplify right side
    316,256.02x = 70,139,967,790.66
  5. Step 5: Solve for x
    x = 70,139,967,790.66/316,256.02
  6. Step 6: Final answer
    x = 221,782.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.