Home / 316,985.90-475,901.16-183,961.64

Finding the Fourth Proportional to 316,985.90, 475,901.16 and 183,961.64

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Solution

The fourth proportional to 316,985.90, 475,901.16 and 183,961.64 is: 276,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,985.90 : 475,901.16 = 183,961.64 : x
  2. Step 2: Convert to fraction form
    316,985.90/475,901.16 = 183,961.64/x
  3. Step 3: Cross multiply
    316,985.90x = 475,901.16 × 183,961.64
  4. Step 4: Simplify right side
    316,985.90x = 87,547,557,871.50
  5. Step 5: Solve for x
    x = 87,547,557,871.50/316,985.90
  6. Step 6: Final answer
    x = 276,187.55

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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.