Home / 353,030.47-487,182.67-191,885.09

Finding the Fourth Proportional to 353,030.47, 487,182.67 and 191,885.09

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Solution

The fourth proportional to 353,030.47, 487,182.67 and 191,885.09 is: 264,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030.47 : 487,182.67 = 191,885.09 : x
  2. Step 2: Convert to fraction form
    353,030.47/487,182.67 = 191,885.09/x
  3. Step 3: Cross multiply
    353,030.47x = 487,182.67 × 191,885.09
  4. Step 4: Simplify right side
    353,030.47x = 93,483,087,563.76
  5. Step 5: Solve for x
    x = 93,483,087,563.76/353,030.47
  6. Step 6: Final answer
    x = 264,801.76

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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.