Home / 316,312.36-474,448.06-119,315.24

Finding the Fourth Proportional to 316,312.36, 474,448.06 and 119,315.24

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Solution

The fourth proportional to 316,312.36, 474,448.06 and 119,315.24 is: 178,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,312.36 : 474,448.06 = 119,315.24 : x
  2. Step 2: Convert to fraction form
    316,312.36/474,448.06 = 119,315.24/x
  3. Step 3: Cross multiply
    316,312.36x = 474,448.06 × 119,315.24
  4. Step 4: Simplify right side
    316,312.36x = 56,608,884,146.43
  5. Step 5: Solve for x
    x = 56,608,884,146.43/316,312.36
  6. Step 6: Final answer
    x = 178,965.13

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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.