Home / 316,021.50-474,032.25-105,664.91

Finding the Fourth Proportional to 316,021.50, 474,032.25 and 105,664.91

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Solution

The fourth proportional to 316,021.50, 474,032.25 and 105,664.91 is: 158,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,021.50 : 474,032.25 = 105,664.91 : x
  2. Step 2: Convert to fraction form
    316,021.50/474,032.25 = 105,664.91/x
  3. Step 3: Cross multiply
    316,021.50x = 474,032.25 × 105,664.91
  4. Step 4: Simplify right side
    316,021.50x = 50,088,572,663.19
  5. Step 5: Solve for x
    x = 50,088,572,663.19/316,021.50
  6. Step 6: Final answer
    x = 158,497.36

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1.5x scale

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.