Home / 316,065.12-473,999.04-105,654.24

Finding the Fourth Proportional to 316,065.12, 473,999.04 and 105,654.24

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Solution

The fourth proportional to 316,065.12, 473,999.04 and 105,654.24 is: 158,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,065.12 : 473,999.04 = 105,654.24 : x
  2. Step 2: Convert to fraction form
    316,065.12/473,999.04 = 105,654.24/x
  3. Step 3: Cross multiply
    316,065.12x = 473,999.04 × 105,654.24
  4. Step 4: Simplify right side
    316,065.12x = 50,080,008,331.93
  5. Step 5: Solve for x
    x = 50,080,008,331.93/316,065.12
  6. Step 6: Final answer
    x = 158,448.39

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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.