Home / 316,363.07-436,513.52-187,342.08

Finding the Fourth Proportional to 316,363.07, 436,513.52 and 187,342.08

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Solution

The fourth proportional to 316,363.07, 436,513.52 and 187,342.08 is: 258,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,363.07 : 436,513.52 = 187,342.08 : x
  2. Step 2: Convert to fraction form
    316,363.07/436,513.52 = 187,342.08/x
  3. Step 3: Cross multiply
    316,363.07x = 436,513.52 × 187,342.08
  4. Step 4: Simplify right side
    316,363.07x = 81,777,349,616.35
  5. Step 5: Solve for x
    x = 81,777,349,616.35/316,363.07
  6. Step 6: Final answer
    x = 258,492.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.