Home / 353,030.55-487,182.78-191,885.18

Finding the Fourth Proportional to 353,030.55, 487,182.78 and 191,885.18

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Solution

The fourth proportional to 353,030.55, 487,182.78 and 191,885.18 is: 264,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030.55 : 487,182.78 = 191,885.18 : x
  2. Step 2: Convert to fraction form
    353,030.55/487,182.78 = 191,885.18/x
  3. Step 3: Cross multiply
    353,030.55x = 487,182.78 × 191,885.18
  4. Step 4: Simplify right side
    353,030.55x = 93,483,152,997.29
  5. Step 5: Solve for x
    x = 93,483,152,997.29/353,030.55
  6. Step 6: Final answer
    x = 264,801.88

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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.